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Recent Changes

Updates for September 9, 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.

Reader Aids

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. 10 CFR 429, 431
Regulations linked from the above-dated Federal Register:
  1. 5 CFR 532
  2. 22 CFR 126
  3. 33 CFR 100, 110