64.03—Scope.
(1)
Structures located in or over waters subject to the jurisdiction of the United States and, on the high seas, structures owned or operated by persons subject to the jurisdiction of the United States;
(2)
Sunken vessels in the navigable waters or waters above the continental shelf of the United States; and
(3)
Other obstructions existing on or in the navigable waters or waters above the continental shelf of the United States.
(3)
Vessels subject to the International Regulations for preventing Collisions at Sea, 1972 (1972 COLREGS) or the Inland Navigation Rules;