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Recent Changes

Updates for June 7, 2025 - June 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.

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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. 40 CFR 716
Regulations linked from the above-dated Federal Register:
  1. 6 CFR 139
  2. 33 CFR 100
Regulations delayed, withdrawn, or extended in the above-dated Federal Register:
  1. 43 CFR 4 Regulation at 90 FR 2390, Jan. 10, 2025 delayed
  2. 43 CFR 4 Regulation at 90 FR 23291, June 2, 2025 delayed
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 40 CFR 52.220, 52.281 90 FR 19428, May 8, 2025
  2. 40 CFR 52.2470 90 FR 19651, May 9, 2025
  3. 40 CFR 52.50 90 FR 19655, May 9, 2025