33 C.F.R. § 401.80
(c) Vessels carrying “Certain Dangerous Cargo” (CDC) as defined in the United States Coast Guard regulations 33 CFR 160.202, which is the same as the definition in the Transport Canada “Marine Transportation Security Regulations” (MTSR's), shall report the “Certain Dangerous Cargo” to the nearest Seaway station prior to a Seaway transit.
(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)
[48 FR 20691, May 9, 1983, as amended at 81 FR 13746, Mar. 15, 2016]