Site Feedback

Recent Changes

Updates for May 24, 2018

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. 40 CFR 180
Regulations linked from the above-dated Federal Register:
  1. 7 CFR 372
  2. 33 CFR 117, 165
  3. 40 CFR 52.220, 52.720, 52.1970, 52.1991
Regulations delayed or withdrawn in the above-dated Federal Register:
  1. 7 CFR 1773 Regulation at 83 FR 19905, May 7, 2018 delayed to July 23, 2018
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 40 CFR 62 (83 FR 17758, April 24, 2018)
  2. 50 CFR 300 (83 FR 17765, April 24, 2018)