Site Feedback

Recent Changes

Updates for June 10, 2017 - June 12, 2017

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.

Regulations linked from the above-dated Federal Register:
  1. 37 CFR 201, 202
  2. 40 CFR 52.220
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 16 CFR 305 (81 FR 63646, September 15, 2016)
  2. 40 CFR 52.70 (82 FR 22083, May 12, 2017)
  3. 40 CFR 52.220 (82 FR 17382, April 11, 2017)
  4. 40 CFR 52.2520 (82 FR 22078, May 12, 2017)
  5. 49 CFR 219 (81 FR 37922, June 10, 2016)