In this part—
((1)) “Convention” means the International Convention on Tonnage Measurement of Ships, 1969.
((2)) “existing vessel” means a vessel the keel of which was laid or that was at a similar stage of construction before .
((3)) “Great Lakes” means—
((A)) the Great Lakes; and
((B)) the St. Lawrence River west of—
((i)) a rhumb line drawn from Cap des Rosiers to West Point, Anticosti Island; and
((ii)) on the north side of Anticosti Island, the meridian of longitude 63 degrees west.
((4)) “vessel that engages on a foreign voyage” means a vessel—
((A)) that arrives at a place under the jurisdiction of the United States from a place in a foreign country;
((B)) that makes a voyage between places outside the United States;
((C)) that departs from a place under the jurisdiction of the United States for a place in a foreign country; or
((D)) that makes a voyage between a place within a territory or possession of the United States and another place under the jurisdiction of the United States not within that territory or possession.