Site Feedback

Recent Changes

Updates for May 20, 2014

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. 14 CFR 91, 121, 125, 135
  2. 21 CFR 510, 520
  3. 50 CFR 17
Regulations linked from the above-dated Federal Register:
  1. 7 CFR 3550
  2. 12 CFR 652
  3. 47 CFR 51, 73