46 C.F.R. § 67.97 United States built.
Title 46 - Shipping
To be considered built in the United States a vessel must meet both of the following criteria: (a) All major components of its hull and superstructure are fabricated in the United States; and (b) The vessel is assembled entirely in the United States.
Title 46: Shipping
PART 67—DOCUMENTATION OF VESSELS
Subpart F—Build Requirements for Vessel Documentation
§ 67.97 United States built.