Section 32.40-1 - Application-TB/ALL(a) The provisions of this subpart, except § 32.40-60 and § 32.40-65 , apply to all tankships of 100 gross tons and over constructed on or after June 15, 1987.(b) Tankships of less than 100 gross tons and manned tank barges must meet the requirements of § 32.40-60 .(c) Tankships of 100 gross tons and over constructed prior to June 15, 1987, must meet the requirements of § 32.40-65 .