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Updates for May 22, 2026

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. 21 CFR 1308
  2. 33 CFR 165
  3. 40 CFR 180, 716
  4. 43 CFR 17
Regulations linked from the above-dated Federal Register:
  1. 24 CFR 50
  2. 40 CFR 52.120, 52.222, 721
Effective regulations that expire on this date:
  1. 33 CFR 165 Regulation at 91 FR 27205, May 14, 2026 expired