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Updates for March 27, 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. 40 CFR 180
Regulations linked from the above-dated Federal Register:
  1. 16 CFR 1238
  2. 50 CFR 679
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 33 CFR 165 90 FR 10596, Feb. 25, 2025
  2. 48 CFR 552 Regulation at 90 FR 8683, Jan. 31, 2025
  3. 50 CFR 217 Regulation at 89 FR 52301, June 21, 2024
  4. 50 CFR 217 Regulation at 89 FR 79778, Oct. 1, 2024