Site Feedback

Recent Changes

Updates for February 5, 2026 - February 6, 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. 18 CFR 157
  2. 21 CFR 516, 520, 522, 529, 556, 558
  3. 47 CFR 1, 64
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 19 CFR 24, 141, 159, 174 91 FR 35, Jan. 2, 2026
  2. 40 CFR 52.220 91 FR 337, Jan. 6, 2026
  3. 40 CFR 52.220 91 FR 339, Jan. 6, 2026
  4. 40 CFR 81 91 FR 342, Jan. 6, 2026
  5. 47 CFR 1, 64 91 FR 355, Jan. 6, 2026