All tank vessels of 150 gross tons or over, or 79 feet in length or greater, navigating the oceans, coastwise waters, and Great Lakes are subject to the regulations in parts 42 to 45, inclusive, subchapter E (Load Lines), of this chapter, as applicable.
Code of Federal Regulations
[CGFR 69-72, 34 FR 17481, Oct. 29, 1969]