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Updates for December 18, 2025

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.

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Effective regulations inserted from the above-dated Federal Register:
  1. 5 CFR 1201, 1655
  2. 17 CFR 230, 270
  3. 26 CFR 1.59A, 1.6038A
Regulations linked from the above-dated Federal Register:
  1. 18 CFR 2
  2. 40 CFR 52.120, 52.121, 52.123, 60, 61, 63, 81
  3. 43 CFR 3100
Regulations delayed, withdrawn, or extended in the above-dated Federal Register:
  1. 47 CFR 10 Regulation at 88 FR 86824, Dec. 15, 2023 delayed
Regulations inserted that were previously linked and became effective on the date listed above:
  1. 21 CFR 4, 16, 201, 210, 211, 213, 230, 314, 514 90 FR 51765, June 18, 2024
  2. 40 CFR 52.70, 52.73 90 FR 51542, Nov. 18, 2025
  3. 40 CFR 52.120, 81 90 FR 51549, Nov. 18, 2025
  4. 40 CFR 52.320 90 FR 51516, Nov. 18, 2025
  5. 40 CFR 52.370, 52.384 90 FR 51547, Nov. 18, 2025
  6. 40 CFR 52.820, 52.834, 81 90 FR 51556, Nov. 18, 2025
  7. 40 CFR 52.870, 81 90 FR 51553, Nov. 18, 2025
  8. 40 CFR 52.1170 90 FR 51524, Nov. 18, 2025
  9. 40 CFR 52.1370, 52.1394 90 FR 51514, Nov. 18, 2025
  10. 40 CFR 52.1570, 52.1602 90 FR 51526, Nov. 18, 2025
  11. 40 CFR 52.2020, 81 90 FR 51561, Nov. 18, 2025
  12. 40 CFR 52.2070 90 FR 51512, Nov. 18, 2025
  13. 40 CFR 52.2370 90 FR 51529, Nov. 18, 2025
  14. 40 CFR 272 90 FR 50568, Nov. 18, 2025