StacksVerified U.S. regulatory reference

19 CFR §4.65

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
The nationality and tonnage of a vessel shall be verified by examination of its marine document. If such examination discloses that insufficient tonnage tax was collected on entry of the vessel, no clearance shall be granted until the deficiency is paid.