46 CFR § 167.01-10 - Effective date of regulations.

---
identifier: "/us/cfr/t46/s167.01-10"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 167.01-10 - Effective date of regulations."
title_number: 46
title_name: "Shipping"
section_number: "167.01-10"
section_name: "Effective date of regulations."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "R"
subchapter_name: "NAUTICAL SCHOOLS"
part_number: "167"
part_name: "PUBLIC NAUTICAL SCHOOL SHIPS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3307, 6101, 8105; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 51-11, 16 FR 3218, Apr. 12, 1951, unless otherwise noted."
cfr_part: "167"
---


# 167.01-10 Effective date of regulations.

(a) The regulations in this part shall be in effect on and after July 1, 1951: *Provided,* That amendments, revisions, or additions shall become effective 90 days after the date of publication in the *Federal Register* unless the Commandant shall fix a different time.

(b) Amendments to regulations in this part will not be retroactive in effect unless specifically made so at the time the amendments are issued.