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Recent Changes

Updates for September 7, 2019 - September 9, 2019

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
  2. 47 CFR 25
Regulations linked from the above-dated Federal Register:
  1. 31 CFR 515
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 10 CFR 50 (84 FR 39718, August 9, 2019)
  2. 10 CFR 52 (84 FR 39719, August 9, 2019)
  3. 19 CFR 24 (84 FR 46680, September 5, 2019)
  4. 21 CFR 500, 520, 522, 524, 526, 529, 556, 558 (84 FR 32992, July 11, 2019)
  5. 21 CFR 558 (84 FR 39185, August 9, 2019)
  6. 33 CFR 334 (84 FR 38875, August 8, 2019)
  7. 40 CFR 52.120, 52.122, 52.124 (84 FR 39198, August 9, 2019)
  8. 40 CFR 52.1770 (84 FR 38877, August 7, 2019)