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    [Appendix]
    [Detailed Budget Estimates by Agency]
    [National Science Foundation]
    [From the U.S. Government Printing Office, www.gpo.gov]

             <h1>NATIONAL SCIENCE FOUNDATION

             </h1>

          NATIONAL SCIENCE FOUNDATION

          Federal Funds
             Research and Related ActivitiesFor necessary expenses in carrying out the National Science Foundation Act of 1950 (42 U.S.C. 1861 et seq.), and Public Law
             86–209 (42 U.S.C. 1880 et seq.); services as authorized by section 3109 of title 5, United States Code; maintenance and operation
             of aircraft and purchase of flight services for research support; acquisition of aircraft; and authorized travel; [$5,933,645,000] $6,186,300,000, to remain available until September 30, [2016] 2017, of which not to exceed [$520,000,000] $540,000,000 shall remain available until expended for polar research and operations support, and for reimbursement to other Federal agencies
             for operational and science support and logistical and other related activities for the United States Antarctic program: Provided, That receipts for scientific support services and materials furnished by the National Research Centers and other National
             Science Foundation supported research facilities may be credited to this appropriation[:  Provided further, That not less than $159,690,000 shall be available for activities authorized by section 7002(c)(2)(A)(iv) of Public Law
             110–69]. (Science Appropriations Act, 2015.)
          Program and Financing (in millions of dollars)

                      Identification code 049–0100–0–1–999
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Biological Sciences
                      721
                      731
                      748

                      0002
                      Computer and Information Science and Engineering
                      893
                      922
                      954

                      0003
                      Engineering
                      833
                      911
                      949

                      0005
                      Geosciences
                      1,321
                      1,313
                      1,365

                      0006
                      Mathematical and Physical Sciences
                      1,268
                      1,367
                      1,366

                      0007
                      Social, Behavioral and Economic Sciences
                      257
                      272
                      292

                      0008
                      Integrative Activities
                      481
                      425
                      459

                      0009
                      Office of International Science and Engineering

                      49
                      51

                      0013
                      Arctic Research Commission
                      1
                      1
                      2

                      0799
                      Total direct obligations
                      5,775
                      5,991
                      6,186

                      0801
                      Research and Related Activities (Reimbursable)
                      87
                      120
                      120

                      0900
                      Total new obligations
                      5,862
                      6,111
                      6,306

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      10
                      57

                      1021
                      Recoveries of prior year unpaid obligations
                      20

                      1050
                      Unobligated balance (total)
                      30
                      57

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      5,809
                      5,934
                      6,186

                      1120
                      Appropriations transferred to other accts [049–0180]
                      –7

                      1160
                      Appropriation, discretionary (total)
                      5,802
                      5,934
                      6,186

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      83
                      120
                      120

                      1701
                      Change in uncollected payments, Federal sources
                      7

                      1750
                      Spending auth from offsetting collections, disc (total)
                      90
                      120
                      120

                      1900
                      Budget authority (total)
                      5,892
                      6,054
                      6,306

                      1930
                      Total budgetary resources available
                      5,922
                      6,111
                      6,306

                      Memorandum (non-add) entries:

                      1940
                      Unobligated balance expiring
                      –3

                      1941
                      Unexpired unobligated balance, end of year
                      57

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      9,059
                      9,175
                      9,581

                      3010
                      Obligations incurred, unexpired accounts
                      5,862
                      6,111
                      6,306

                      3011
                      Obligations incurred, expired accounts
                      4

                      3020
                      Outlays (gross)
                      –5,662
                      –5,705
                      –5,936

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –20

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –68

                      3050
                      Unpaid obligations, end of year
                      9,175
                      9,581
                      9,951

                      Uncollected payments:

                      3060
                      Uncollected pymts, Fed sources, brought forward, Oct 1
                      –138
                      –116
                      –116

                      3070
                      Change in uncollected pymts, Fed sources, unexpired
                      –7

                      3071
                      Change in uncollected pymts, Fed sources, expired
                      29

                      3090
                      Uncollected pymts, Fed sources, end of year
                      –116
                      –116
                      –116

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      8,921
                      9,059
                      9,465

                      3200
                      Obligated balance, end of year
                      9,059
                      9,465
                      9,835

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      5,892
                      6,054
                      6,306

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      860
                      1,307
                      1,358

                      4011
                      Outlays from discretionary balances
                      4,802
                      4,398
                      4,578

                      4020
                      Outlays, gross (total)
                      5,662
                      5,705
                      5,936

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4030
                      Federal sources
                      –112
                      –120
                      –120

                      Additional offsets against gross budget authority only:

                      4050
                      Change in uncollected pymts, Fed sources, unexpired
                      –7

                      4052
                      Offsetting collections credited to expired accounts
                      29

                      4060
                      Additional offsets against budget authority only (total)
                      22

                      4070
                      Budget authority, net (discretionary)
                      5,802
                      5,934
                      6,186

                      4080
                      Outlays, net (discretionary)
                      5,550
                      5,585
                      5,816

                      4180
                      Budget authority, net (total)
                      5,802
                      5,934
                      6,186

                      4190
                      Outlays, net (total)
                      5,550
                      5,585
                      5,816

             The Research and Related Activities appropriation enables the United States to provide leadership and promote progress across
                the expanding frontiers of scientific and engineering research and education.

             The major research program activities of NSF are:
             Biological Sciences._This activity supports understanding how complex living systems function and interact with each other and with non-living
                systems, which has direct impact on issues of national importance related to the environment, economy, agriculture, and human
                welfare. Research in this activity also promotes scientific progress in biology through support of research across scales,
                from molecules, cells, organisms, to ecosystems. This activity's investment portfolio includes projects on understanding the
                changing dynamics of the biosphere, research on the fundamental characteristics of biological energy systems, and efforts
                to broaden participation and develop the next generation of biological researchers.

             Computer and Information Science and Engineering._This activity supports investigator initiated research in all areas of computer and information science and engineering, helps
                develop and maintain cutting-edge national computational and information infrastructure for research and education generally,
                and contributes to the education and training of the next generation of computer and computational engineers.

             Engineering._Research supported by this activity aims to increase U.S. engineering capability and strength, and focus that capability and
                strength on areas that are relevant to national problems and long-term needs. This activity also includes small business innovation
                research.

             Geosciences._This activity supports research and associated infrastructure to advance knowledge of the properties and dynamics of the planet
                on which we live. Research includes understanding the causes and implications of climate change, as well as disruptive processes
                such as earthquakes and storms. Additionally, this activity supports Arctic and Antarctic research and operational science
                support and other related activities for United States polar research programs, including the funding to reimburse Federal
                agencies for logistical and other related activities supported by the United States Antarctic Program.

             Mathematical and Physical Sciences._Research in this activity is directed at increasing understanding of natural laws and phenomena across the astronomical sciences,
                chemistry, materials sciences, mathematical sciences, and physics. Research support is available in multiple modalities ranging
                from multi-user facilities and mid-scale instrumentation to individual investigator awards, from sites for undergraduate research
                experiences to early career faculty development and collaborative and international efforts.

             Social, Behavioral, and Economic Sciences._This activity supports research, education, and infrastructure in the social, behavioral, cognitive, and economic sciences
                and funds the collection and dissemination of statistics on the science and engineering enterprise.

             Office of International Science and Engineering._This activity serves as the focal point of international activities at NSF. In addition to strategic funding and co-funding
                that targets catalytic partnerships and workforce-building international research opportunities, OISE advances NSF's global
                science leadership through extensive interactions with U.S. and global counterpart agencies and organizations.

              Integrative Activities._This activity supports emerging cross disciplinary research efforts and major research instrumentation. This activity also
                provides support for the Science and Technology Policy Institute. The Experimental Program to Stimulate Competitive Research
                broadens participation of States and regions in science and engineering by helping institutions expand their research capacity
                and competitiveness.
    Under the Administration's proposal to reorganize Federal business and trade programs under a broader Presidential reorganization
                   authority initiative, the National Science Foundation's statistical agency and industry partnership programs would be consolidated
                   with related programs in a new department.
    The United States Arctic Research Commission is an independent agency, funded through NSF's appropriations, that promotes Arctic research and recommends national Arctic
                   research policies to guide Federal agencies in developing and implementing their research programs in the Arctic region.

          Object Classification (in millions of dollars)

                      Identification code 049–0100–0–1–999
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      21.0
                      Travel and transportation of persons
                      14
                      14
                      14

                      25.1
                      Advisory and assistance services
                      105
                      105
                      105

                      25.2
                      Other services from non-Federal sources
                      13
                      13
                      13

                      25.3
                      Other goods and services from Federal sources
                      27
                      27
                      27

                      25.4
                      Operation and maintenance of facilities
                      356
                      360
                      360

                      25.5
                      Research and development contracts
                      6
                      7
                      7

                      26.0
                      Supplies and materials
                      1
                      1
                      1

                      31.0
                      Equipment
                      2
                      2
                      2

                      41.0
                      Grants, subsidies, and contributions
                      5,251
                      5,462
                      5,657

                      99.0
                      Direct obligations
                      5,775
                      5,991
                      6,186

                      99.0
                      Reimbursable obligations
                      87
                      120
                      120

                      99.9
                      Total new obligations
                      5,862
                      6,111
                      6,306

          Employment Summary

                      Identification code 049–0100–0–1–999
                      2014 actual
                      2015 est.
                      2016 est.

                      1001
                      Direct civilian full-time equivalent employment
                      3
                      4

             major research equipment and facilities constructionFor necessary expenses for the acquisition, construction, commissioning, and upgrading of major research equipment, facilities,
             and other such capital assets pursuant to the National Science Foundation Act of 1950 (42 U.S.C. 1861 et seq.), including
             authorized travel, [$200,760,000] $200,310,000, to remain available until expended. (Science Appropriations Act, 2015.)
          Program and Financing (in millions of dollars)

                      Identification code 049–0551–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Major Research Equipment and Facilities Construction
                      200
                      201
                      200

                      Budgetary resources:

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      200
                      201
                      200

                      1160
                      Appropriation, discretionary (total)
                      200
                      201
                      200

                      1930
                      Total budgetary resources available
                      200
                      201
                      200

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      367
                      287
                      271

                      3010
                      Obligations incurred, unexpired accounts
                      200
                      201
                      200

                      3020
                      Outlays (gross)
                      –280
                      –217
                      –193

                      3050
                      Unpaid obligations, end of year
                      287
                      271
                      278

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      367
                      287
                      271

                      3200
                      Obligated balance, end of year
                      287
                      271
                      278

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      200
                      201
                      200

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority

                      12
                      12

                      4011
                      Outlays from discretionary balances
                      280
                      205
                      181

                      4020
                      Outlays, gross (total)
                      280
                      217
                      193

                      4180
                      Budget authority, net (total)
                      200
                      201
                      200

                      4190
                      Outlays, net (total)
                      280
                      217
                      193

             The Major Research Equipment and Facilities Construction activity supports the acquisition, construction, and commissioning
                of unique national research platforms and major research facilities and equipment. Performance of each construction project
                is measured against an established baseline at regular intervals and at major milestones.

          Object Classification (in millions of dollars)

                      Identification code 049–0551–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      25.7
                      Operation and maintenance of equipment

                      4
                      4

                      41.0
                      Grants, subsidies, and contributions
                      200
                      197
                      196

                      99.9
                      Total new obligations
                      200
                      201
                      200

             Agency Operations and Award ManagementFor agency operations and award management necessary in carrying out the National Science Foundation Act of 1950 (42 U.S.C.
             1861 et seq.); services authorized by section 3109 of title 5, United States Code; hire of passenger motor vehicles; uniforms
             or allowances therefor, as authorized by sections 5901 and 5902 of title 5, United States Code; rental of conference rooms
             in the District of Columbia; and reimbursement of the Department of Homeland Security for security guard services; [$325,000,000] $354,840,000: Provided, That not to exceed $8,280 is for official reception and representation expenses: Provided further, That contracts may be entered into under this heading in fiscal year [2015] 2016 for maintenance and operation of facilities and for other services to be provided during the next fiscal year: Provided further, That of the amount provided for costs associated with the acquisition, occupancy, and related costs of new headquarters
             space, not more than [$27,370,000] $28,400,000 shall remain available until expended: Provided further, That $2,852,000 will be used to support the agency's activities related to implementation of the Digital
                Accountability and Transparency Act (DATA Act; Public Law 113–101; 31 U.S.C. 6101 note) to include changes in business processes,
                workforce, or information technology to support high quality, transparent Federal spending information, of which $852,000
                shall be available to support the agency's implementation of a uniform procurement instrument identifier as described in 48
                C.F.R. subpart 4.16. (Science Appropriations Act, 2015.)
          Program and Financing (in millions of dollars)

                      Identification code 049–0180–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Agency Operations and Award Management
                      306
                      325
                      355

                      0801
                      Agency Operations and Award Management (Reimbursable)
                      6
                      10
                      10

                      0900
                      Total new obligations
                      312
                      335
                      365

                      Budgetary resources:

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      298
                      325
                      355

                      1121
                      Appropriations transferred from other acct [049–0100]
                      7

                      1121
                      Appropriations transferred from other acct [049–0106]
                      1

                      1160
                      Appropriation, discretionary (total)
                      306
                      325
                      355

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      6
                      10
                      10

                      1750
                      Spending auth from offsetting collections, disc (total)
                      6
                      10
                      10

                      1900
                      Budget authority (total)
                      312
                      335
                      365

                      1930
                      Total budgetary resources available
                      312
                      335
                      365

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      72
                      83
                      62

                      3010
                      Obligations incurred, unexpired accounts
                      312
                      335
                      365

                      3011
                      Obligations incurred, expired accounts
                      1

                      3020
                      Outlays (gross)
                      –298
                      –356
                      –360

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –4

                      3050
                      Unpaid obligations, end of year
                      83
                      62
                      67

                      Uncollected payments:

                      3060
                      Uncollected pymts, Fed sources, brought forward, Oct 1
                      –4

                      3071
                      Change in uncollected pymts, Fed sources, expired
                      4

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      68
                      83
                      62

                      3200
                      Obligated balance, end of year
                      83
                      62
                      67

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      312
                      335
                      365

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      243
                      276
                      301

                      4011
                      Outlays from discretionary balances
                      55
                      80
                      59

                      4020
                      Outlays, gross (total)
                      298
                      356
                      360

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4030
                      Federal sources
                      –9
                      –10
                      –10

                      Additional offsets against gross budget authority only:

                      4052
                      Offsetting collections credited to expired accounts
                      3

                      4070
                      Budget authority, net (discretionary)
                      306
                      325
                      355

                      4080
                      Outlays, net (discretionary)
                      289
                      346
                      350

                      4180
                      Budget authority, net (total)
                      306
                      325
                      355

                      4190
                      Outlays, net (total)
                      289
                      346
                      350

             This account funds NSF's scientific, professional, and administrative workforce, the physical and technological infrastructure
                necessary for a productive, safe and secure work environment, and the essential business operations critical to NSF's administrative
                processes.

          Object Classification (in millions of dollars)

                      Identification code 049–0180–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      Personnel compensation:

                      11.1
                      Full-time permanent
                      146
                      154
                      195

                      11.3
                      Other than full-time permanent
                      11
                      11
                      11

                      11.5
                      Other personnel compensation
                      2
                      2
                      2

                      11.9
                      Total personnel compensation
                      159
                      167
                      208

                      12.1
                      Civilian personnel benefits
                      45
                      47
                      45

                      21.0
                      Travel and transportation of persons
                      5
                      5
                      5

                      23.1
                      Rental payments
                      30
                      34
                      30

                      23.3
                      Communications, utilities, and miscellaneous charges
                      3
                      3
                      3

                      25.1
                      Advisory and assistance services
                      41
                      41
                      41

                      25.2
                      Other services from non-Federal sources
                      9
                      9
                      9

                      25.3
                      Other goods and services from Federal sources
                      9
                      9
                      9

                      26.0
                      Supplies and materials
                      3
                      3
                      3

                      31.0
                      Equipment
                      2
                      7
                      2

                      99.0
                      Direct obligations
                      306
                      325
                      355

                      99.0
                      Reimbursable obligations
                      6
                      10
                      10

                      99.9
                      Total new obligations
                      312
                      335
                      365

          Employment Summary

                      Identification code 049–0180–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      1001
                      Direct civilian full-time equivalent employment
                      1,301
                      1,310
                      1,310

             Office of the National Science BoardFor necessary expenses (including payment of salaries, authorized travel, hire of passenger motor vehicles, the rental of
             conference rooms in the District of Columbia, and the employment of experts and consultants under section 3109 of title 5,
             United States Code) involved in carrying out section 4 of the National Science Foundation Act of 1950 (42 U.S.C. 1863) and
             Public Law 86–209 (42 U.S.C. 1880 et seq.), $4,370,000: Provided, That not to exceed $2,500 shall be available for official reception and representation expenses. (Science Appropriations Act, 2015.)
          Program and Financing (in millions of dollars)

                      Identification code 049–0350–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Office of the National Science Board (Direct)
                      4
                      4
                      4

                      Budgetary resources:

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      4
                      4
                      4

                      1160
                      Appropriation, discretionary (total)
                      4
                      4
                      4

                      1930
                      Total budgetary resources available
                      4
                      4
                      4

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      2
                      2
                      2

                      3010
                      Obligations incurred, unexpired accounts
                      4
                      4
                      4

                      3020
                      Outlays (gross)
                      –4
                      –4
                      –4

                      3050
                      Unpaid obligations, end of year
                      2
                      2
                      2

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      2
                      2
                      2

                      3200
                      Obligated balance, end of year
                      2
                      2
                      2

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      4
                      4
                      4

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      3
                      3
                      3

                      4011
                      Outlays from discretionary balances
                      1
                      1
                      1

                      4020
                      Outlays, gross (total)
                      4
                      4
                      4

                      4180
                      Budget authority, net (total)
                      4
                      4
                      4

                      4190
                      Outlays, net (total)
                      4
                      4
                      4

             This appropriation provides policy-making and related responsibilities for NSF and provides guidance on significant national
                policy issues in science and engineering research and education, as required by law.

          Object Classification (in millions of dollars)

                      Identification code 049–0350–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      11.1
                      Personnel compensation: Full-time permanent
                      2
                      2
                      2

                      12.1
                      Civilian personnel benefits
                      1
                      1
                      1

                      25.1
                      Advisory and assistance services
                      1
                      1
                      1

                      99.9
                      Total new obligations
                      4
                      4
                      4

          Employment Summary

                      Identification code 049–0350–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      1001
                      Direct civilian full-time equivalent employment
                      19
                      19
                      19

             office of inspector generalFor necessary expenses of the Office of Inspector General as authorized by the Inspector General Act of 1978, [$14,430,000] $15,160,000, of which $400,000 shall remain available until September 30, [2016] 2017. (Science Appropriations Act, 2015.)
          Program and Financing (in millions of dollars)

                      Identification code 049–0300–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Office of Inspector General (Direct)
                      14
                      14
                      15

                      Budgetary resources:

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      14
                      14
                      15

                      1160
                      Appropriation, discretionary (total)
                      14
                      14
                      15

                      1930
                      Total budgetary resources available
                      14
                      14
                      15

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      2
                      3
                      4

                      3010
                      Obligations incurred, unexpired accounts
                      14
                      14
                      15

                      3020
                      Outlays (gross)
                      –13
                      –13
                      –14

                      3050
                      Unpaid obligations, end of year
                      3
                      4
                      5

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      2
                      3
                      4

                      3200
                      Obligated balance, end of year
                      3
                      4
                      5

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      14
                      14
                      15

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      11
                      11
                      12

                      4011
                      Outlays from discretionary balances
                      2
                      2
                      2

                      4020
                      Outlays, gross (total)
                      13
                      13
                      14

                      4180
                      Budget authority, net (total)
                      14
                      14
                      15

                      4190
                      Outlays, net (total)
                      13
                      13
                      14

             This appropriation provides agency-wide audit and investigative functions to identify and correct management and administrative
                deficiencies which create conditions for existing or potential instances of fraud, waste, and mismanagement consistent with
                the Inspector General Act of 1978, as amended (5 U.S.C. App. 3).

          Object Classification (in millions of dollars)

                      Identification code 049–0300–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      11.1
                      Personnel compensation: Full-time permanent
                      9
                      9
                      10

                      12.1
                      Civilian personnel benefits
                      2
                      2
                      2

                      25.2
                      Other services from non-Federal sources
                      3
                      3
                      3

                      99.9
                      Total new obligations
                      14
                      14
                      15

          Employment Summary

                      Identification code 049–0300–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      1001
                      Direct civilian full-time equivalent employment
                      67
                      73
                      73

             education and human resourcesFor necessary expenses in carrying out science, mathematics and engineering education and human resources programs and activities
             pursuant to the National Science Foundation Act of 1950 (42 U.S.C. 1861 et seq.), including services as authorized by section
             3109 of title 5, United States Code, authorized travel, and rental of conference rooms in the District of Columbia, [$866,000,000] $962,570,000, to remain available until September 30, [2016: Provided, That not less than $60,890,000 shall be available for activities authorized by section 7030 of Public Law 110–69] 2017. (Science Appropriations Act, 2015.)
          Program and Financing (in millions of dollars)

                      Identification code 049–0106–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Education and Human Resources
                      832
                      866
                      963

                      0100
                      Total Disc obligations
                      832
                      866
                      963

                      0302
                      Low income scholarship program
                      92
                      181
                      75

                      0303
                      ITEST grants for Mathematics, Science, or Engineering enrichment courses
                      37
                      25
                      25

                      0391
                      Total Mandatory Obligations
                      129
                      206
                      100

                      0799
                      Total direct obligations
                      961
                      1,072
                      1,063

                      0801
                      Education and Human Resources (Reimbursable)
                      5
                      15
                      15

                      0900
                      Total new obligations
                      966
                      1,087
                      1,078

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      106
                      124
                      21

                      1001
                      Discretionary unobligated balance brought fwd, Oct 1
                      1

                      1021
                      Recoveries of prior year unpaid obligations
                      7

                      1050
                      Unobligated balance (total)
                      113
                      124
                      21

                      Budget authority:

                      Appropriations, discretionary:

                      1100
                      Appropriation
                      847
                      866
                      963

                      1120
                      Appropriations transferred to other accts [049–0180]
                      –1

                      1160
                      Appropriation, discretionary (total)
                      846
                      866
                      963

                      Appropriations, mandatory:

                      1201
                      Appropriation (special or trust fund)
                      132
                      100
                      100

                      1203
                      Appropriation (previously unavailable)
                      5
                      10
                      7

                      1232
                      Appropriations and/or unobligated balance of appropriations temporarily reduced
                      –10
                      –7

                      1260
                      Appropriations, mandatory (total)
                      127
                      103
                      107

                      Spending authority from offsetting collections, discretionary:

                      1700
                      Collected
                      1
                      15
                      15

                      1701
                      Change in uncollected payments, Federal sources
                      4

                      1750
                      Spending auth from offsetting collections, disc (total)
                      5
                      15
                      15

                      1900
                      Budget authority (total)
                      978
                      984
                      1,085

                      1930
                      Total budgetary resources available
                      1,091
                      1,108
                      1,106

                      Memorandum (non-add) entries:

                      1940
                      Unobligated balance expiring
                      –1

                      1941
                      Unexpired unobligated balance, end of year
                      124
                      21
                      28

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      1,936
                      1,971
                      2,130

                      3010
                      Obligations incurred, unexpired accounts
                      966
                      1,087
                      1,078

                      3011
                      Obligations incurred, expired accounts
                      6

                      3020
                      Outlays (gross)
                      –911
                      –928
                      –1,135

                      3040
                      Recoveries of prior year unpaid obligations, unexpired
                      –7

                      3041
                      Recoveries of prior year unpaid obligations, expired
                      –19

                      3050
                      Unpaid obligations, end of year
                      1,971
                      2,130
                      2,073

                      Uncollected payments:

                      3060
                      Uncollected pymts, Fed sources, brought forward, Oct 1
                      –5
                      –6
                      –6

                      3070
                      Change in uncollected pymts, Fed sources, unexpired
                      –4

                      3071
                      Change in uncollected pymts, Fed sources, expired
                      3

                      3090
                      Uncollected pymts, Fed sources, end of year
                      –6
                      –6
                      –6

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      1,931
                      1,965
                      2,124

                      3200
                      Obligated balance, end of year
                      1,965
                      2,124
                      2,067

                      Budget authority and outlays, net:

                      Discretionary:

                      4000
                      Budget authority, gross
                      851
                      881
                      978

                      Outlays, gross:

                      4010
                      Outlays from new discretionary authority
                      112
                      136
                      150

                      4011
                      Outlays from discretionary balances
                      712
                      700
                      857

                      4020
                      Outlays, gross (total)
                      824
                      836
                      1,007

                      Offsets against gross budget authority and outlays:

                      Offsetting collections (collected) from:

                      4030
                      Federal sources
                      –4
                      –15
                      –15

                      Additional offsets against gross budget authority only:

                      4050
                      Change in uncollected pymts, Fed sources, unexpired
                      –4

                      4052
                      Offsetting collections credited to expired accounts
                      3

                      4060
                      Additional offsets against budget authority only (total)
                      –1

                      4070
                      Budget authority, net (discretionary)
                      846
                      866
                      963

                      4080
                      Outlays, net (discretionary)
                      820
                      821
                      992

                      Mandatory:

                      4090
                      Budget authority, gross
                      127
                      103
                      107

                      Outlays, gross:

                      4100
                      Outlays from new mandatory authority

                      11
                      12

                      4101
                      Outlays from mandatory balances
                      87
                      81
                      116

                      4110
                      Outlays, gross (total)
                      87
                      92
                      128

                      4180
                      Budget authority, net (total)
                      973
                      969
                      1,070

                      4190
                      Outlays, net (total)
                      907
                      913
                      1,120

             The Education and Human Resources (EHR) appropriation funds and manages a comprehensive set of programs that further NSF's
                goals of ensuring a diverse, globally competitive U.S. science, technology, engineering, and mathematics (STEM) workforce,
                as well as a scientifically literate population. To advance those goals, EHR collaborates with other NSF research units, federal
                agencies, and promotes public-private partnerships. EHR supports research on STEM teaching and learning to provide the evidence
                base for improvements in education at all levels in the STEM disciplines. Supporting development and effective implementation
                of new learning technologies is also a priority. EHR's pre-K-12 education-research programs, for example, develop and test
                new instruction materials for students and teachers, which incorporate the latest advances in teaching, learning, and education
                technologies. STEM teacher-education opportunities occur throughout the full continuum, from pre-service and in-service, through
                life-long learning. Research programs at the undergraduate level improve curricula, strengthen laboratory courses, enhance
                faculty effectiveness and lead education reforms in STEM disciplines. Advanced technological education programs strengthen
                student preparation for the high-technology workforce. Support of graduate-level STEM education primarily includes fellowships
                and traineeships to sustain U.S. leadership in global science and technology. All EHR programs aim to broaden participation
                of groups underrepresented in STEM fields by, for example, improving infrastructure and academic programs at minority-serving
                institutions. STEM-education evaluation activities ensure accountability by developing indicators that measure program impact
                and informing the education community of best practices and other relevant findings. EHR activities also include programs
                supported by H-1B non-immigrant visa fees, which provide undergraduate and graduate scholarships in STEM disciplines, improve
                educational opportunities for students, and provide research opportunities for STEM teachers and students.

          Object Classification (in millions of dollars)

                      Identification code 049–0106–0–1–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      21.0
                      Travel and transportation of persons
                      2
                      2
                      2

                      25.1
                      Advisory and assistance services
                      22
                      22
                      22

                      25.2
                      Other services from non-Federal sources
                      3
                      3
                      3

                      25.3
                      Other goods and services from Federal sources
                      1
                      1
                      1

                      41.0
                      Grants, subsidies, and contributions
                      933
                      1,044
                      1,035

                      99.0
                      Direct obligations
                      961
                      1,072
                      1,063

                      99.0
                      Reimbursable obligations
                      5
                      15
                      15

                      99.9
                      Total new obligations
                      966
                      1,087
                      1,078

          Trust Funds
             Donations

             Special and Trust Fund Receipts (in millions of dollars)

                      Identification code 049–8960–0–7–251
                      2014 actual
                      2015 est.
                      2016 est.

                      0100
                      Balance, start of year

                      Receipts:

                      0220
                      Donations, National Science Foundation
                      33
                      45
                      45

                      0400
                      Total: Balances and collections
                      33
                      45
                      45

                      Appropriations:

                      0500
                      Donations
                      –33
                      –45
                      –45

                      0799
                      Balance, end of year

          Program and Financing (in millions of dollars)

                      Identification code 049–8960–0–7–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Obligations by program activity:

                      0001
                      Atacama Large Millimeter Array
                      4
                      38
                      10

                      0002
                      Gemini Telescope
                      10
                      15
                      15

                      0003
                      B&M Gates Foundation
                      3

                      0004
                      US Civilian Research
                      17
                      15
                      15

                      0005
                      General Trust Fund
                      4
                      5
                      5

                      0900
                      Total new obligations
                      38
                      73
                      45

                      Budgetary resources:

                      Unobligated balance:

                      1000
                      Unobligated balance brought forward, Oct 1
                      33
                      28

                      Budget authority:

                      Appropriations, mandatory:

                      1201
                      Appropriation (special or trust fund)
                      33
                      45
                      45

                      1260
                      Appropriations, mandatory (total)
                      33
                      45
                      45

                      1930
                      Total budgetary resources available
                      66
                      73
                      45

                      Memorandum (non-add) entries:

                      1941
                      Unexpired unobligated balance, end of year
                      28

                      Change in obligated balance:

                      Unpaid obligations:

                      3000
                      Unpaid obligations, brought forward, Oct 1
                      34
                      26
                      47

                      3010
                      Obligations incurred, unexpired accounts
                      38
                      73
                      45

                      3020
                      Outlays (gross)
                      –46
                      –52
                      –38

                      3050
                      Unpaid obligations, end of year
                      26
                      47
                      54

                      Memorandum (non-add) entries:

                      3100
                      Obligated balance, start of year
                      34
                      26
                      47

                      3200
                      Obligated balance, end of year
                      26
                      47
                      54

                      Budget authority and outlays, net:

                      Mandatory:

                      4090
                      Budget authority, gross
                      33
                      45
                      45

                      Outlays, gross:

                      4100
                      Outlays from new mandatory authority

                      27
                      27

                      4101
                      Outlays from mandatory balances
                      46
                      25
                      11

                      4110
                      Outlays, gross (total)
                      46
                      52
                      38

                      4180
                      Budget authority, net (total)
                      33
                      45
                      45

                      4190
                      Outlays, net (total)
                      46
                      52
                      38

             This account consists of contributions from foreign governments, organizations, and individuals to fund various cooperative
                efforts in science, research, and education. These efforts include major international projects, such as operation of the
                Gemini telescopes, and the NSF ocean discovery program. Other smaller activities supported include cooperative research, joint
                seminars, exchange of senior scientists, short-term research development visits, international conferences, and support for
                certain special functions of NSF and the National Science Board. These funds are not otherwise available.

          Object Classification (in millions of dollars)

                      Identification code 049–8960–0–7–251
                      2014 actual
                      2015 est.
                      2016 est.

                      Direct obligations:

                      25.4
                      Operation and maintenance of facilities
                      5
                      28
                      4

                      41.0
                      Grants, subsidies, and contributions
                      33
                      45
                      41

                      99.9
                      Total new obligations
                      38
                      73
                      45

             Administrative Provision

             Administrative ProvisionNot to exceed 5 percent of any appropriation made available for the current fiscal year for the National Science Foundation
             in this Act may be transferred between such appropriations, but no such appropriation shall be increased by more than 10 percent
             by any such transfers. Any transfer pursuant to this section shall be treated as a reprogramming of funds under section 505
             of this Act and shall not be available for obligation except in compliance with the procedures set forth in that section. (Science Appropriations Act, 2015.)
             General and Administrative Provisions

             GENERAL FUND RECEIPT ACCOUNTS

             (in millions of dollars)

                      2014 actual
                      2015 est.
                      2016 est.

                      Offsetting receipts from the public:

                      049–320000
                      Collections of Receivables from Canceled Accounts
                      1
                      1
                      1

                      049–322000
                      All Other General Fund Proprietary Receipts Including Budget Clearing Accounts
                      2
                      2
                      2

                      General Fund Offsetting receipts from the public
                      3
                      3
                      3