46 CFR 32.53-1 – Application–T/ALL
(a) Except as provided in paragraphs (b) and (c) of this section, this subpart applies to:
(1) A U.S. crude oil tanker or product carrier of 100,000 DWT tons (metric) or more or combination carrier of 50,000 DWT tons (metric) or more, that has a keel laying date on or after January 1, 1975.
(2) A new (as defined in 46 U.S.C. § 3701) crude oil tanker or product carrier, or foreign flag crude oil tanker or product carrier of 20,000 DWT tons or more entering the navigable waters of the U.S.
(3) A crude oil tanker that is equipped with a cargo tank cleaning system that uses crude oil washing.
(4) An existing product carrier of 20,000 deadweight tons (metric) or more that has tank washing machines with a capacity of more than 60 cubic meters per hour after May 31, 1983.
(5) Any other U.S. or foreign flag:
(i) Crude oil tanker or product carrier of 70,000 deadweight tons (metric) and over after May 31, 1981;
(ii) Crude oil tanker between 20,000 and 70,000 deadweight tons (metric) after May 31, 1983;
(iii) Product carrier between 40,000 and 70,000 deadweight tons (metric) after May 31, 1983.
(b) This subpart does not apply to vessels designed to carry only:
(1) Liquefied gas cargo; or
(2) Grade E cargo that is carried at a temperature lower than 5 °C below its flash point.
(c) This part does not apply to vessels as stated in 46 U.S.C. § 3702.