46 C.F.R. § 46.05-20 Great Lakes voyage.
Title 46 - Shipping
A Great Lakes voyage is any voyage from a United States port or place on the Great Lakes to another United States port or place on the Great Lakes or to a Canadian port or place on the Great Lakes, or conversely.
Title 46: Shipping
PART 46—SUBDIVISION LOAD LINES FOR PASSENGER VESSELS
Subpart 46.05—Definitions Used in This Part
§ 46.05-20 Great Lakes voyage.