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Recent Changes

Updates for March 28, 2026 - March 30, 2026

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.

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Effective regulations inserted from the above-dated Federal Register:
  1. 15 CFR 30
  2. 31 CFR 375
  3. 37 CFR 383
Regulations linked from the above-dated Federal Register:
  1. 10 CFR 51
  2. 16 CFR 1233
  3. 10 CFR 1, 2, 10, 11, 19-21, 25, 26, 30, 40, 50, 51, 53, 70, 72-75, 95, 140, 150, 170, 171
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 30 CFR 816 Regulation at 90 FR 54575, Nov. 28, 2025
  2. 30 CFR 816 Regulation at 91 FR 3372, Jan. 27, 2026
  3. 30 CFR 874 Regulation at 90 FR 54583, Nov. 28, 2025
  4. 30 CFR 874 Regulation at 91 FR 3374, Jan. 27, 2026
  5. 40 CFR 52.370 91 FR 9457, Feb. 26, 2026
  6. 40 CFR 52.1170 91 FR 9455, Feb. 26, 2026
  7. 40 CFR 52.1320, 70 App. A 91 FR 9459, Feb. 26, 2026
  8. 40 CFR 372 91 FR 9730, Feb. 27, 2026