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Recent Changes

Updates for May 21, 2016 - May 23, 2016

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. 23 CFR 1300
Regulations linked from the above-dated Federal Register:
  1. 23 CFR 669
  2. 27 CFR 478
  3. 29 CFR 541
  4. 40 CFR 52,172, 52.1534, 52.1622, 52.1922
  5. 50 CFR 622
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 7 CFR 271, 273 (81 FR 15622, March 24, 2016)
  2. 13 CFR 115 (81 FR 23565, April 22, 2016)
  3. 21 CFR 606, 610, 630, 640, 660 (80 FR 29894, May 22, 2015)
  4. 21 CFR 820 (80 FR 29906, May 22, 2015)
  5. 50 CFR 679, 680 (81 FR 23649, April 22, 2016)