United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2026_register executive 2026-04-24 article Proposed Rules D09002ee1e0ccd8b3 D09002ee1e0cce12d United States Department of Transportation originator org United States Government Agency or Subagency United States Pipeline and Hazardous Materials Safety Administration originator org United States Government Agency or Subagency This NPRM proposes to increase the monetary threshold for Operator Identification Number notifications for certain construction and maintenance tasks on gas and hazardous liquid and carbon dioxide pipeline facilities. PHMSA is also proposing to adjust inflation adjustment procedures to provide a mechanism for updating these thresholds on an annual basis. 91 FR 22091 https://www.govinfo.gov/app/details/FR-2026-04-24/2026-08082 2026-08082 fr24ap26-48 RIN 2137-AG55 4910-60-P Docket No. PHMSA-2026-1551 https://www.govinfo.gov/app/details/FR-2026-04-24/2026-08082 https://www.govinfo.gov/content/pkg/FR-2026-04-24/html/2026-08082.htm https://www.govinfo.gov/content/pkg/FR-2026-04-24/pdf/2026-08082.pdf Natural Gas Notification Requirements Pipeline Safety Carbon Oxides Petroleum 6 p. 22091 22096 91 FR 22091 Title 49 Part 191 49 CFR Part 191 Title 49 Part 195 49 CFR Part 195 RIN 2137-AG55 Pipeline Safety: Adjustment to OPID Notifications for Construction; Federal Register Vol. 91, Issue PRORULE 2026-08082 DEPARTMENT OF TRANSPORTATION Pipeline and Hazardous Materials Safety Administration 2026-06-23 Docket No. PHMSA-2026-1551 4910-60-P 2026-08082 Notice of proposed rulemaking (NPRM).

This NPRM proposes to increase the monetary threshold for Operator Identification Number notifications for certain construction and maintenance tasks on gas and hazardous liquid and carbon dioxide pipeline facilities. PHMSA is also proposing to adjust inflation adjustment procedures to provide a mechanism for updating these thresholds on an annual basis.

Comments must be received on or before June 23, 2026. Sayler Palabrica, Transportation Specialist, 1200 New Jersey Avenue SE, Washington, DC 20590, 202-281- 5413, sayler.palabrica@dot.gov. Natural Gas Notification Requirements Pipeline Safety Carbon Oxides Petroleum Pipeline Safety Adjustment to OPID Notifications for Construction, angela.hill@dot.gov sayler.palabrica@dot.gov http://www.regulations.gov https://explore.dot.gov/views/NHIInflationDashboard/NHCCI_1?%3Aiid=1&%3Aembed=y&%3AisGuestRedirectFromVizportal=y&%3Adisplay_count=n&%3AshowVizHome=n&%3Aorigin=viz_share_link https://fred.stlouisfed.org/series/WPU801 https://fred.stlouisfed.org/series/WPUSI012011 https://www.dot.gov/privacy https://www.mortenson.com/cost-index https://www.regulations.gov https://www.regulations.gov/comment/DOT-OST-2025-0026-0897 https://www.transportation.gov/regulations/rulemaking-requirements-concerning-small-entities Vol. 91, no. 79 Office of the Federal Register, National Archives and Records Administration 2026-04-24 continuing daily deposited born digital 502 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2026-04-24 P0b002ee1e0ccc497 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr24ap26 https://www.govinfo.gov/app/details/FR-2026-04-24 https://www.govinfo.gov/content/pkg/FR-2026-04-24/pdf/FR-2026-04-24.pdf https://www.govinfo.gov/content/pkg/FR-2026-04-24/xml/FR-2026-04-24.xml fdlp 21937 22429 DGPO 2026-04-24 2026-04-24 FR-2026-04-24 machine generated eng FR FR-2026-04-24 91 79