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Effective Dates for Sections of Title 10 of the Code of Federal Regulations in 2025

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Current Section

Effective Date

Federal Register Notice

Part 50

January 26, 2026

09/26/2025

Part 72

October 14, 2025
[Confirmation of the effective date of October 14, 2025, for the direct final rule that was published July 29, 2025 (90 FR 35589​)]

09/08/2025

Part 52

September 15, 2025
[Confirmation of the effective date of September 15, 2025, for the direct final rule that was published July 2, 2025 (90 FR 28869​)]

08/26/2025

Part 72

October 14, 2025
[Unless significant adverse comments are received by August 28, 2025]

07/29/2025

Parts 170 and 171

August 25, 2025
[Correction for the final rule published on June 24, 2025 (90 FR 26730)]

07/28/2025

Part 52

September 15, 2025
[Unless significant adverse comments are received by August 1, 2025]

07/02/2025

Parts 170 and 171

August 25, 2025

06/24/2025

Part 72

June 3, 2025
[Confirmation of the effective date of June 3, 2025, for the direct final rule that was published March 20, 2025 (90 FR 13047)]

05/02/2025

Part 72

May 27, 2025
[Confirmation of the effective date of May 27, 2025, for the direct final rule that was published March 13, 2025 (90 FR 11891)]

04/30/2025

Part 72

May 13, 2025
[Confirmation of the effective date of May 13, 2025, for the direct final rule that was published February 27, 2025 (90 FR 10781)]

04/14/2025

Part 72

June 3, 2025
[Correction for the final rule published on March 20, 2025 (90 FR 13047)]

03/31/2025

Part 72

June 3, 2025

03/20/2025

Part 72

April 21, 2025
[Confirmation of the effective date of April 21, 2025, for the direct final rule that was published February 4, 2025 (90 FR 8861)]

03/19/2025

Part 72

May 27, 2025

03/13/2025

Part 72

May 13, 2025

02/27/2025

Part 72

March 19, 2025
[Confirmation of the effective date of March 19, 2025, for the direct final rule that was published January 3, 2025 (90 FR 204)]

02/18/2025

Part 72

April 21, 2025

02/04/2025

Parts 2 and 13

January 15, 2025

01/15/2025

Part 72

March 19, 2025

01/03/2025

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Page Last Reviewed/Updated Friday, September 26, 2025

Page Last Reviewed/Updated Friday, September 26, 2025