---
kind: "section"
citation: "46 C.F.R. § 502.55"
title: "46"
number: "502.55"
heading: "Effective date of rules."
url: "https://uscodex.org/cfr/46/502.55"
---

# §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](/cfr/46/55.md).]

## Notes

### Amendments

[78 FR 45071, July 26, 2013]

### Authority

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.

### Source

Source: 49 FR 44369, Nov. 6, 1984, unless otherwise noted.

### Amendments

[78 FR 45071, July 26, 2013]