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40 CFR § 23.7 - Timing of Administrator's action under Safe Drinking Water Act.

---
identifier: "/us/cfr/t40/s23.7"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 23.7 - Timing of Administrator's action under Safe Drinking Water Act."
title_number: 40
title_name: "Protection of Environment"
section_number: "23.7"
section_name: "Timing of Administrator's action under Safe Drinking Water Act."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "23"
part_name: "JUDICIAL REVIEW UNDER EPA-ADMINISTERED STATUTES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Clean Water Act, 33 U.S.C. 1361(a), 1369(b); Clean Air Act, 42 U.S.C. 7601(a)(1), 7607(b); Resource, Conservation and Recovery Act, 42 U.S.C. 6912(a), 6976; Toxic Substances Control Act, 15 U.S.C. 2618; Federal Insecticide, Fungicide, and Rodenticide Act, 7 U.S.C. 136n(b), 136w(a); Safe Drinking Water Act, 42 U.S.C. 300j-7(a)(2), 300j-9(a); Atomic Energy Act, 42 U.S.C. 2201, 2239; Federal Food, Drug, and Cosmetic Act, 21 U.S.C. 371(a), 346a, 28 U.S.C. 2112(a), 2343, 2344."
regulatory_source: "50 FR 7270, Feb. 21, 1985, unless otherwise noted."
cfr_part: "23"
---

# 23.7 Timing of Administrator's action under Safe Drinking Water Act.

Unless the Administrator otherwise explicitly provides in a particular promulgation action or determination, the time and date of the Administrator's promulgation, issuance, or determination for purposes of section 1448(a)(2) shall be at 1:00 p.m. eastern time (standard or daylight, as appropriate) on the date that is (a) for a *Federal Register* document, two weeks after the date when the document is published in the *Federal Register* or (b) for any other document, two weeks after it is signed.