The Jones Act, formally codified as 46 U.S.C. § 55102, forms the essential legislative foundation for U.S. domestic maritime trade. This critical law dictates that all goods transported by water between points within the United States must adhere to strict vessel criteria. It establishes a clear framework for internal shipping operations.

Core Requirements for U.S. Waterborne Transport
The act imposes stringent requirements on vessels. They must be U.S.-built, ensuring that construction for domestic trade supports national shipbuilding. Additionally, these vessels must be U.S.-owned, maintaining national control over critical shipping assets within the country’s borders. This dual mandate reinforces domestic industrial and economic interests.
Further stipulations require vessels to be U.S.-crewed. This supports American maritime jobs and ensures personnel are familiar with U.S. regulations and operational standards. Finally, each vessel must be U.S.-flagged, signifying its official registration and adherence to American maritime law. These combined elements define the operational parameters for domestic shipping.
The Jones Act is a foundational U.S. law governing domestic maritime trade, requiring all goods transported by water between U.S. points to use vessels that are U.S.-built, U.S.-owned, U.S.-crewed, and U.S.-flagged. This legislation ensures national control over internal shipping, supporting domestic industries, jobs, and a robust maritime infrastructure.
Impact on National Maritime Policy
These comprehensive mandates collectively shape the landscape of U.S. domestic waterborne commerce. The Jones Act ensures that internal transportation of goods remains under national purview, from construction to operation. Its provisions underscore a commitment to a robust, controlled, and nationally oriented shipping infrastructure.
As a cornerstone of U.S. maritime policy, the Jones Act’s requirements continue to govern the movement of merchandise across the nation’s waters. It safeguards specific standards for vessels, ownership, crewing, and registration. This legislation remains integral to the structure of American domestic trade.






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