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Updates for April 1, 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.

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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 1306
  2. 40 CFR 63
Regulations linked from the above-dated Federal Register:
  1. 7 CFR 400, 402, 407, 457
  2. 12 CFR 30
  3. 16 CFR 1239
  4. 40 CFR 63, 80, 1090
Effective regulations that expire on this date:
  1. 33 CFR 165.T09-0134 Regulation at 91 FR 5319, Feb. 6, 2026 expired
  2. 50 CFR 217, Sbpt. W Regulation at 86 FR 17490, Apr. 2, 2021 expired
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 12 CFR 3, 6, 208, 217, 252, 324 Regulation at 90 FR 55287, Dec. 1, 2025
  2. 12 CFR 5 Regulation at 91 FR 9982, Mar. 2, 2026
  3. 21 CFR 1308 Regulation at 91 FR 9989, Mar. 2, 2026
  4. 50 CFR 622 Regulation at 90 FR 47988, Oct. 3, 2025
  5. 50 CFR 648 Regulation at 91 FR 14787, Mar. 27, 2026