Site Feedback

Recent Changes

Updates for March 13, 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. 48 CFR 22, 25, 52
Regulations linked from the above-dated Federal Register:
  1. 22 CFR 22
  2. 34 CFR 685
  3. 40 CFR 300
Regulations delayed, withdrawn, or extended in the above-dated Federal Register:
  1. 24 CFR 247, 880, 882, 884, 886, 891, 966 Regulation at 91 FR 9452, Feb. 26, 2026 delayed indefinitely
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 33 CFR 117 Regulation at 91 FR 6137, Feb. 11, 2026