Code of Federal Regulations > Title 46 > Chapter I > Part 32 > Subpart 32.55

Regulations last checked for updates: Feb 10, 2026

Title 46 - Shipping last revised: Jan 15, 2026

§ 32.55-1 - Ventilation of tank vessels constructed on or after July 1, 1951—TB/ALL.

§ 32.55-5 - Ventilation of tank vessels constructed between November 10, 1936, and July 1, 1951—TB/ALL.

§ 32.55-10 - Ventilation of tank vessels contracted prior to November 10, 1936—TB/ALL.

§ 32.55-15 - Ventilation for hold spaces—TB/ALL.

§ 32.55-20 - Venting of cargo tanks of tankships constructed on or after July 1, 1951—T/ALL.

§ 32.55-25 - Venting of cargo tanks of tank barges constructed on or after July 1, 1951—B/ALL.

§ 32.55-30 - Venting of cargo tanks of tank vessels constructed between November 10, 1936, and July 1, 1951—TB/ALL.

§ 32.55-35 - Venting of cargo tanks on tank vessels constructed prior to November 10, 1936—TB/ALL.

§ 32.55-45 - Venting of cofferdams and void spaces of tank vessels constructed on or after November 10, 1936—TB/ALL.

§ 32.55-50 - Ventilation of tankships that have a keel laying date on or after January 1, 1975—T/ALL.

authority: 46 U.S.C. 2103,3306,3703,3719; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4; Subpart 32.59 also issued under the authority of Sec. 4109, Pub. L. 101-380, 104 Stat. 515

source: CGFR 65-50, 30 FR 16671, Dec. 30, 1965, unless otherwise noted.