46 CFR § 31.30-1
Marine engineering regulations and material specifications—TB/ALL
April 15, 2021
(a) All tank vessels are subject to the regulations contained in parts 50 to 63, inclusive, of subchapter F (Marine Engineering) of this chapter, whenever applicable, except as such regulations are modified by the regulations in this subchapter for tank vessels.
[CGFR 68-82, 33 FR 18804, Dec. 18, 1968]