46 C.F.R. § 31.20-1 Waters—TB/ALL.
Title 46 - Shipping
The certificate of inspection shall show the waters over which the tank vessel is permitted to operate, such as: all waters; oceans; coastwise; Great Lakes; bays, sounds, and lakes other than the Great Lakes; rivers; or inland waters tributary to the Gulf of Mexico.
Title 46: Shipping
PART 31—INSPECTION AND CERTIFICATION
Subpart 31.20—Waters Operated Over
§ 31.20-1 Waters—TB/ALL.