33 C.F.R. § 401.21 Requirements for U.S. waters of the St. Lawrence Seaway.
Title 33 - Navigation and Navigable Waters
In addition to the requirements set forth elsewhere in these Regulations, vessels transiting the U.S. waters of the St. Lawrence Seaway are subject to the requirements set out in Schedule I. (68 Stat. 93–96, 33 U.S.C. 981–990, as amended and secs. 4, 5, 6, 7, 8, 12 and 13 of sec. 2 of Pub. L. 95–474, 92 Stat. 1471) [45 FR 52378, Aug. 7, 1980]
Title 33: Navigation and Navigable Waters
PART 401—SEAWAY REGULATIONS AND RULES
Subpart A—Regulations
Condition of Vessels
§ 401.21 Requirements for U.S. waters of the St. Lawrence Seaway.