46 CFR § 502.55 - Effective date of rules.

---
identifier: "/us/cfr/t46/s502.55"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 502.55 - Effective date of rules."
title_number: 46
title_name: "Shipping"
section_number: "502.55"
section_name: "Effective date of rules."
chapter_name: "FEDERAL MARITIME COMMISSION"
subchapter_number: "A"
subchapter_name: "GENERAL AND ADMINISTRATIVE PROVISIONS"
part_number: "502"
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: "5 U.S.C. 504, 551, 552, 553, 556(c), 559, 561-569, 571-584; 591-596; 18 U.S.C. 207; 28 U.S.C. 2112(a); 31 U.S.C. 9701; 46 U.S.C., 40103-40104, 40304, 40306, 40501-40503, 40701-40706, 41101-41109, 41301-41309, 44101-44106, 46105; 5 CFR part 2635."
regulatory_source: "49 FR 44369, Nov. 6, 1984, unless otherwise noted."
cfr_part: "502"
---


# 502.55 Effective date of rules.

The publication or service of any substantive rule shall be made not less than thirty (30) days prior to its effective date except:

(a) As otherwise provided by the Commission for good cause found that notice and public procedure thereon are impractical, unnecessary, or contrary to the public interest;

(b) In the case of rules granting or recognizing exemption or relieving restriction; interpretative rules; or statements of policy.

(c) Interpretive rules, general statements of policy, or rules of agency organization, procedure, or practice. [Rule 55.]

[78 FR 45071, July 26, 2013]