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Recent Changes

Updates for April 23, 2022 - April 25, 2022

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. 21 CFR 878
Regulations linked from the above-dated Federal Register:
  1. 40 CFR 52.2320
Effective regulations that expire on this date:
  1. 50 CFR 217 Regulation at 87 FR 15003, Mar. 24, 2017 expired
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 33 CFR 117 87 FR 16987, Mar. 25, 2022
  2. 37 CFR 201 87 FR 24056, Apr. 22, 2022
  3. 37 CFR 201, 220, 222-224 87 FR 17000, Mar. 25, 2022
  4. 40 CFR 52.420 87 FR 17012, Mar. 25, 2022