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Effective Dates for Sections of Title 10 of the Code of Federal Regulations in 2026
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| Current Section | Effective Date | Federal Register Notice |
|---|---|---|
| Parts 50 and 54 | June 5, 2026 [Confirmation of the effective date of June 5, 2026, for the direct final rule that was published April 23, 2026 (91 FR 34143)] | 06/05/2026 |
| Parts 2 and 13 | June 1, 2026 [Discontinuation of rulemaking activity (RIN 3150-AL13)] | 06/01/2026 |
| Part 50 | May 26, 2026 | 04/24/2026 |
| Part 51 | May 15, 2026 | 04/24/2026 |
| Parts 2, 50, 51, 52, and 53 | May 15, 2026 | 04/24/2026 |
| Parts 1, 2, 10, 11, 19, 21, 25, 26, 30, 40, 50, 51, 53, 70, 72, 73, 74, 75, 95, 140, 150, 170, and 171 | April 29, 2026 [Correction to the final rule that was published March 30, 2026 (91 FR 15696)] | 04/13/2026 |
| Parts 1, 2, 10, 11, 19, 21, 25, 26, 30, 40, 50, 51, 53, 70, 72, 73, 74, 75, 95, 140, 150, 170, and 171 | April 29, 2026 | 03/30/2026 |
| Part 51 | April 29, 2026 | 03/30/2026 |
| Part 50 | April 24, 2026 | 04/24/2026 |
| Part 72 | April 13, 2026 [Confirmation of the effective date of April 13, 2026, for the direct final rule that was published January 28, 2026 (90 FR 55699)] | 03/18/2026 |
| Part 50 | April 8, 2026 | 04/08/2026 |
| Part 72 | April 13, 2026 [Effective February 2, 2026, unless significant adverse comments are received by February 27, 2026] | 01/28/2026 |
| Part 50 | January 26, 2026 | 01/27/2026 |
| Part 9 | March 6, 2026 | 03/06/2026 |
| Parts 2, 19, 20, 21, 25, 26, 30, 31, 32, 34, 35, 36, 37, 39, 40, 50, 51, 52, 54, 55, 60, 61, 62, 63, 70, 71, 72, 73, 74, 75, 76, 81, 95, 110, 140, 150, 160, 170, and 171 | February 3, 2026 [Confirmation of the effective date of February 3, 2026, for the direct final rule that was published January 8, 2026 (90 FR 56621)] | 02/03/2026 |
| Part 72 | February 23, 2026 [Confirmation of the effective date of February 23, 2026, for the direct final rule that was published December 8, 2025 (90 FR 56657)] | 01/30/2026 |
| Part 50 | January 26, 2026 [Confirmation of the effective date of January 26, 2026, for the direct final rule that was published September 26, 2025 (90 FR 46319)] | 01/27/2026 |
| Part 50 | January 20, 2025 [Correcting amendments] | 01/20/2025 |
| Parts 2, 19, 20, 21, 25, 26, 30, 31, 32, 34, 35, 36, 37, 39, 40, 50, 51, 52, 54, 55, 60, 61, 62, 63, 70, 71, 72, 73, 74, 75, 76, 81, 95, 110, 140, 150, 160, 170, and 171 | January 8, 2026 [Confirmation of the effective date of January 8, 2026, for the direct final rule that was published December 3, 2025 (90 FR 46319)] | 01/08/2026 |
Page Last Reviewed/Updated Tuesday, June 09, 2026
Page Last Reviewed/Updated Tuesday, June 09, 2026