46 CFR § 201.65 - Effective date of rules.

---
identifier: "/us/cfr/t46/s201.65"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 201.65 - Effective date of rules."
title_number: 46
title_name: "Shipping"
section_number: "201.65"
section_name: "Effective date of rules."
chapter_name: "MARITIME ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "A"
subchapter_name: "POLICY, PRACTICE AND PROCEDURE"
part_number: "201"
part_name: "RULES OF PRACTICE AND PROCEDURE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 App. U.S.C. 1114(b); 49 CFR 1.66 and 1.69."
regulatory_source: "General Order 41, 3d Rev., 29 FR 14475, Oct. 22, 1964; 29 FR 15374, Nov. 17, 1964, unless otherwise noted."
cfr_part: "201"
---


# 201.65 Effective date of rules.

The publication or service of any substantive rule shall be made not less than 30 days prior to its effective date except: (a) As otherwise provided by the Administration for good cause found and published in the *Federal Register* or (b) in the case of rules granting or recognizing exemption or relieving restriction, interpretative rules, and statements of policy.