DEFINITIONS.

SEC. 1527. DEFINITIONS. As used in this subtitle— (1) American great lakes vessel.— The term “American Great Lakes vessel” means a vessel which is so designated by the Secretary in accordance with section 1522. (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 of each year during which the Saint Lawrence Seaway is open for navigation by vessels, as declared by the Saint Lawrence Seaway Development Corporation created by the Act of May 13, 1954 (33 U.S.C. 981 et seq.). (4) Secretary.— The term “Secretary” means the Secretary of Transportation.