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Recent Changes

Updates for March 16, 2013 - March 18, 2013

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. 16 CFR 4
Regulations linked from the above-dated Federal Register:
  1. 10 CFR 72
  2. 40 CFR 300
  3. 49 CFR 234
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 12 CFR 1070 (78 FR 11503, February 15, 2013)
  2. 14 CFR 139 (78 FR 3316, January 16, 2013)
  3. 21 CFR 510, 520, 522, 529, 558 (78 FR 14668, March 7, 2013)
  4. 24 CFR 100 (78 FR 11481, February 15, 2013)
  5. 34 CFR 300 (78 FR 10537, February 14, 2013)
  6. 37 CFR 1 (78 FR 11052, February 14, 2013)
  7. 37 CFR 1 (78 FR 16182, March 14, 2013)
  8. 37 CFR 42 (77 FR 56090, September 11, 2012)
  9. 40 CFR 50, 51 (78 FR 3277, January 15, 2013)
  10. 40 CFR 52 (78 FR 10554, February 14, 2013)
  11. 40 CFR 52, 53, 58 (78 FR 3281, January 15, 2013)
  12. 47 CFR 0, 1 (78 FR 11111, February 15, 2013)
  13. 47 CFR 43, 63, 64 (78 FR 11112, February 15, 2013)
  14. 50 CFR 660 (78 FR 10559, February 14, 2013)