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Recent Changes

Updates for September 27, 2025 - September 29, 2025

The Office of the Federal Register updates the material in the eCFR on a daily basis. While we do not make updates in real-time, generally the eCFR is current within two business days.

You can learn more about how the eCFR is updated here.

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Reader Aids help people use and understand the eCFR. Reader Aids information is not published in the Code of Federal Regulations.

Effective regulations inserted from the above-dated Federal Register:
  1. 39 CFR 956
  2. 49 CFR 383, 384
Regulations linked from the above-dated Federal Register:
  1. 25 CFR 559
  2. 27 CFR 9, 46
  3. 38 CFR 9, 71
  4. 40 CFR 131
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 33 CFR 165.T01-0773 90 FR 46350, Sept. 26, 2025
  2. 40 CFR 52.2170 90 FR 41895, Aug. 28, 2025
  3. 40 CFR 52.220 90 FR 41897, Aug. 28, 2025
  4. 40 CFR 52.2270 90 FR 41899, Aug. 28, 2025
  5. 40 CFR 721, 725 90 FR 35628, July 29, 2025
  6. 49 CFR 701 90 FR 27816, June 30, 2025