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Recent Changes

Updates for March 29, 2025 - March 31, 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. 19 CFR 351
  2. 21 CFR 1309
  3. 40 CFR 63
  4. 50 CFR 622
Regulations linked from the above-dated Federal Register:
  1. 37 CFR 201
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 7 CFR 1910 89 FR 106980, Dec. 31, 2024
  2. 7 CFR 1955 89 FR 106980, Dec. 31, 2024
  3. 7 CFR 3560 89 FR 106980, Dec. 31, 2024
  4. 33 CFR 165 89 FR 91571, Nov. 20, 2024
  5. 40 CFR 52.1570 90 FR 10873, Feb. 28, 2025