I One Hundred Eleventh Congress of the United States of America At the Second SessionBegun and held at the City of Washington on Tuesday, the fifth day of January, two thousand and ten H. R. 6473 AN ACT To amend the Internal Revenue Code of 1986 to extend the funding and expenditure authority of the Airport and Airway Trust Fund, to amend title 49, United States Code, to extend the airport improvement program, and for other purposes.

1.

Short title

This Act may be cited as the Airport and Airway Extension Act of 2010, Part IV.

2.

Extension of taxes funding Airport and Airway Trust Fund

(a)

Fuel taxes

Subparagraph (B) of section 4081(d)(2) of the Internal Revenue Code of 1986 is amended by striking December 31, 2010 and inserting March 31, 2011. (b)

Ticket taxes

(1)

Persons

Clause (ii) of section 4261(j)(1)(A) of the Internal Revenue Code of 1986 is amended by striking December 31, 2010 and inserting March 31, 2011. (2)

Property

Clause (ii) of section 4271(d)(1)(A) of such Code is amended by striking December 31, 2010 and inserting March 31, 2011. (c)

Effective date

The amendments made by this section shall take effect on January 1, 2011.

3.

Extension of Airport and Airway Trust Fund expenditure authority

(a)

In general

Paragraph (1) of section 9502(d) of the Internal Revenue Code of 1986 is amended— (1)by striking January 1, 2011 and inserting April 1, 2011; and (2)by inserting or the Airport and Airway Extension Act of 2010, Part IV before the semicolon at the end of subparagraph (A). (b)

Conforming amendment

Paragraph (2) of section 9502(e) of such Code is amended by striking January 1, 2011 and inserting April 1, 2011. (c)

Effective date

The amendments made by this section shall take effect on January 1, 2011.

4.

Extension of airport improvement program

(a)

Authorization of appropriations

(1)

In general

Section 48103 of title 49, United States Code, is amended— (A)by striking and at the end of paragraph (6); (B)by striking the period at the end of paragraph (7) and inserting ; and; and (C)by inserting after paragraph (7) the following: (8)$1,850,000,000 for the 6-month period beginning on October 1, 2010.. (2)

Obligation of amounts

Subject to limitations specified in advance in appropriation Acts, sums made available pursuant to the amendment made by paragraph (1) may be obligated at any time through September 30, 2011, and shall remain available until expended. (3)

Program implementation

For purposes of calculating funding apportionments and meeting other requirements under sections 47114, 47115, 47116, and 47117 of title 49, United States Code, for the 6-month period beginning on October 1, 2010, the Administrator of the Federal Aviation Administration shall— (A)first calculate funding apportionments on an annualized basis as if the total amount available under section 48103 of such title for fiscal year 2011 were $3,700,000,000; and (B)then reduce by 50 percent— (i)all funding apportionments calculated under subparagraph (A); and (ii)amounts available pursuant to sections 47117(b) and 47117(f)(2) of such title. (b)

Project grant authority

Section 47104(c) of such title is amended by striking December 31, 2010, and inserting March 31, 2011,.

5.

Extension of expiring authorities

(a)Section 40117(l)(7) of title 49, United States Code, is amended by striking January 1, 2011. and inserting April 1, 2011.. (b)Section 44302(f)(1) of such title is amended— (1)by striking December 31, 2010, and inserting March 31, 2011,; and (2)by striking March 31, 2011, and inserting June 30, 2011,. (c)Section 44303(b) of such title is amended by striking March 31, 2011, and inserting June 30, 2011,. (d)Section 47107(s)(3) of such title is amended by striking January 1, 2011. and inserting April 1, 2011.. (e)Section 47115(j) of such title is amended by striking January 1, 2011, inserting April 1, 2011,. (f)Section 47141(f) of such title is amended by striking December 31, 2010. and inserting March 31, 2011.. (g)Section 49108 of such title is amended by striking December 31, 2010, and inserting March 31, 2011,. (h)Section 161 of the Vision 100—Century of Aviation Reauthorization Act (49 U.S.C. 47109 note) is amended by striking January 1, 2011, and inserting April 1, 2011,. (i)Section 186(d) of such Act (117 Stat. 2518) is amended by striking January 1, 2011, inserting April 1, 2011,. (j)The amendments made by this section shall take effect on January 1, 2011.

Speaker of the House of Representatives.Vice President of the United States and President of the Senate.