Site Feedback

Recent Changes

Updates for March 7, 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.

Regulations linked from the above-dated Federal Register:
  1. 40 CFR 52.2120
  2. 47 CFR 2, 26, 73
Regulations delayed, withdrawn, or extended in the above-dated Federal Register:
  1. 10 CFR 431 Regulation at 90 FR 5555, Jan. 17, 2025 delayed until May 20, 2025
  2. 10 CFR 431 Regulation at 90 FR 7643, Jan. 21, 2025 delayed until May 20, 2025
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 40 CFR 9 Regulation at 90 FR 571, Jan. 6, 2025
  2. 40 CFR 721 Regulation at 90 FR 571, Jan. 6, 2025