Effective Dates for Sections of Title 10 of the Code of Federal Regulations in 2023

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Current Section	Effective Date	Federal Register Notice
Part 72	January 16, 2024 [Confirmation of the effective date of January 16, 2024, for the direct final rule that was published October 30, 2023 (88 FR 74019)]	12/14/2023
Parts 9, 30, 50, 51, 70, and 110	December 21, 2023	11/21/2023
Part 72	December 18, 2023 [Confirmation of the effective date of December 18, 2023, for the direct final rule that was published October 3, 2023 (88 FR 67929)]	11/20/2023
Part 72	January 16, 2024	10/30/2023
Part 140	January 1, 2024	10/19/2023
Parts 50, 52, and 72	December 18, 2023	11/16/2023
Part 72	December 18, 2023	10/03/2023
Part 72	October 16, 2023 [Confirmation of the effective date of October 16, 2023, for the direct final rule that was published July 31, 2023 (88 FR 49267)]	09/19/2023
Part 72	October 17, 2023 [Confirmation of the effective date of October 17, 2023, for the direct final rule that was published August 3, 2023 (88 FR 51209)]	09/18/2023
Part 140	October 5, 2023	09/05/2023
Parts 1, 2, 26, 32, 40, 50, 51, 52, 72, and 73	September 25, 2023	08/24/2023
Part 72	October 17, 2023	08/03/2023
Part 72	October 16, 2023	07/31/2023
Parts 170 and 171	August 14, 2023	06/15/2023
Part 72	July 17, 2023	05/02/2023
Part 72	May 1, 2023 [Delayed Indefinitely]	04/26/2023
Parts 20, 21, 26, 50, 70, 72, 73, 74, and 76	April 1, 2023	03/29/2023
Parts 20, 21, 26, 50, 70, 72, 73, 74, and 76	April 13, 2023	03/14/2023
Part 72	March 22, 2023 [Confirmation of the effective date of March 22, 2023, for the direct final rule that was published January 6, 2023 (88 FR 949)]	03/02/2023
Part 72	May 1, 2023	02/13/2023
Part 52	February 21, 2023	01/19/2023
Part 72	March 22, 2023	01/06/2023
Part 72	January 18, 2023 [Confirmation of the effective date of January 18, 2022, for the direct final rule that was published November 4, 2022 (87 FR 66539)]	12/27/2022
Part 72	January 18, 2023	11/04/2022