46 U.S. Code Section 55331 - Definitions

In this subchapter:

(1) American great lakes vessel.—The term "American Great Lakes vessel" means a vessel so designated under section 55332 of this title, but only during the period the designation is in effect.

(2) Great lakes.—The term "Great Lakes" means Lake Superior, Lake Michigan, Lake Huron, Lake Erie, Lake Ontario, the Saint Lawrence River west of Saint Regis, New York, and their connecting and tributary waters.

(3) Great lakes shipping season.—The term "Great Lakes shipping season" means the period each year during which the Saint Lawrence Seaway is open for navigation by vessels, as declared by the Great Lakes St. Lawrence Seaway Development Corporation.

46 U.S.C. § 55331 (2021)
Historical and Revision Notes
Historical and Revision Notes


Source (U.S. Code)Source (Statutes at Large)
55331 46 App.:1241v. Pub. L. 101–624, title XV, §1527, Nov. 28, 1990, 104 Stat. 3668.

In paragraph (1), the words "but only during the period the designation is in effect" are added for clarity.

In paragraph (3), the words "created by the Act of May 13, 1954 (33 U.S.C. 981 et seq.)" are omitted as unnecessary.

The definition of "Secretary" in 46 App. U.S.C. 1241v(4) is omitted as unnecessary because the full title of the Secretary of Transportation is used the first time the Secretary is referred to in each section.


2020—Par. (3). Pub. L. 116–260 substituted "Great Lakes St. Lawrence Seaway Development Corporation" for "Saint Lawrence Seaway Development Corporation".

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