Title 46 Codification Act of 2004

Title 46 Codification Act of 2004 - Enacts into positive law title 46 of the United States Code, entitled "Shipping." Sets forth organizational and administrative provisions regarding the Federal Maritime Commission (FMC).

Amends Federal shipping law to make technical and conforming amendments and set forth requirements with respect to: (1) documentation of vessels; (2) maritime liability; (3) regulation of ocean shipping, including shipping in foreign trade; (4) the Merchant Marine and the Merchant Marine Service; (5) clearance of, and tonnage taxes and duties levied against, vessels; (6) maritime security and drug enforcement; (7) vessel wrecks and salvage; (8) ice patrol and the destruction or removal of vessel derelicts; (9) safe containers for international cargo; and (10) the Maritime Administration in the Department of Transportation.

Amends various Federal maritime laws to require the Secretary of Homeland Security (currently, the Secretary of the Treasury) to withhold or revoke clearance of a vessel that has committed certain maritime violations.

Repeals specified shipping laws.