33 C.F.R. § 157.120 Waiver of required documents.
Title 33 - Navigation and Navigable Waters
The Coast Guard waives the requirement for the letter under §157.116(b), if a U.S. tank vessel engages in a voyage, or under §157.118(b)(2)(ii), if a foreign tank vessel enters the navigable waters of the United States or transfers cargo at a port or place subject to the jurisdiction of the United States, for the purpose of being inspected under §157.140.
Title 33: Navigation and Navigable Waters
PART 157—RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK
Subpart D—Crude Oil Washing (COW) System on Tank Vessels
General
§ 157.120 Waiver of required documents.