33 CFR § 401.21 - Requirements for U.S. waters of the St. Lawrence Seaway.
---
identifier: "/us/cfr/t33/s401.21"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 401.21 - Requirements for U.S. waters of the St. Lawrence Seaway."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "401.21"
section_name: "Requirements for U.S. waters of the St. Lawrence Seaway."
chapter_name: "GREAT LAKES ST. LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION"
part_number: "401"
part_name: "SEAWAY REGULATIONS AND RULES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
cfr_part: "401"
---
# 401.21 Requirements for U.S. waters of the St. Lawrence Seaway.
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]