Great Lakes Shipping Season Law and Legal Definition
According to 46 USCS § 55331 [Title 46. Shipping; Subtitle V. Merchant Marine; Part D. Promotional Programs; Chapter 553. Passenger And Cargo Preferences; Subchapter Iii. American Great Lakes Vessels] 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 Saint Lawrence Seaway Development Corporation.