Code of Federal Regulations > Title 46 > Chapter I > Part 54 > Subpart 54.15

Regulations last checked for updates: Feb 12, 2026

Title 46 - Shipping last revised: Jan 15, 2026

§ 54.15-1 - General (modifies UG-125 through UG-137).

§ 54.15-3 - Definitions (modifies appendix 3).

§ 54.15-5 - Protective devices (modifies UG-125).

§ 54.15-10 - Safety and relief valves (modifies UG-126).

§ 54.15-13 - Rupture disks (modifies UG-127).

§ 54.15-15 - Relief devices for unfired steam boilers, evaporators, and heat exchangers (modifies UG-126).

§ 54.15-25 - Minimum relief capacities for cargo tanks containing compressed or liquefied gas.

authority: 33 U.S.C. 1509; 43 U.S.C. 1333; 46 U.S.C. 3306,3703; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3

source: CGFR 68-82, 33 FR 18828, Dec. 18, 1968, as amended by USCG-2020-0634, 89 FR 50104, June 12, 2024, unless otherwise noted.