33 CFR § 157.118 - Required documents: Foreign tank vessels.
(a) The owner, operator, and master of a foreign tank vessel under § 157.10(e) or § 157.10a(a)(2) shall ensure that the vessel does not enter the navigable waters of the United States or transfer cargo at a port or place subject to the jurisdiction of the United States unless the vessel has on board—
(1) The Crude Oil Washing Operations and Equipment Manual that—
(i) Is approved under § 157.112; or
(ii) Meets the manual standards in Resolution 15 of the MARPOL 73/78 and bears the approval of the government of the vessel's flag state; and
(2) Either—
(i) A document from the government of the vessel's flag state that certifies that the vessel complies with Resolution 15 of the MARPOL 73/78; or
(ii) The following letters issued by the Coast Guard:
(A) The letter of acceptance issued under § 157.106.
(B) The letter of acceptance issued under § 157.142.
(C) Each amending letter issued under § 157.158(c).
(b) On January 1, 1986, or 15 years after the date it was delivered to the original owner or 15 years after the completion of a major conversion, whichever is later, the owner, operator, and master of a foreign vessel having a COW system under § 157.10c(b)(2) shall ensure that the vessel does not enter the navigable waters of the United States or transfer cargo at a port or place subject to the jurisdiction of the United States unless the vessel has on board—
(1) The Crude Oil Washing Operations and Equipment Manual that—
(i) Is approved under § 157.112; or
(ii) Bears a certification by an authorized CS or the government of the vessel's flag state that the manual contains the information required under § 157.138;
(2) Evidence that the COW system passed the required inspections by—
(i) A document from an authorized CS or the government of the vessel's flag state certifying that the vessel passed the inspections under § 157.140; or
(ii) The letter of acceptance under § 157.142 after passing the inspection under § 157.140; and
(3) Either—
(i) A document from an authorized CS or the government of the vessel's flag state certifying that the vessel complies with the design, equipment and installation standards in §§ 157.122 through 157.136 and any amending letters approving changed COW system characteristics; or
(ii) The letter of acceptance under § 157.106 and any amending letters issued under § 157.158(c).