§ 553

((a)) Whoever knowingly imports, exports, or attempts to import or export— ((1)) any motor vehicle, off-highway mobile equipment, vessel, aircraft, or part of any motor vehicle, off-highway mobile equipment, vessel, or aircraft, knowing the same to have been stolen; or ((2)) any motor vehicle or off-highway mobile equipment or part of any motor vehicle or off-highway mobile equipment, knowing that the identification number of such motor vehicle, equipment, or part has been removed, obliterated, tampered with, or altered; ((b)) Subsection (a)(2) shall not apply if the removal, obliteration, tampering, or alteration— ((1)) is caused by collision or fire; or ((2)) ((A)) in the case of a motor vehicle, is not a violation of (relating to altering or removing motor vehicle identification numbers); or ((B)) in the case of off-highway mobile equipment, would not be a violation of if such equipment were a motor vehicle. ((c)) As used in this section, the term— ((1)) “motor vehicle” has the meaning given that term in ; ((2)) “off-highway mobile equipment” means any self-propelled agricultural equipment, self-propelled construction equipment, and self-propelled special use equipment, used or designed for running on land but not on rail or highway; ((3)) “vessel” has the meaning given that term in section 401 of the Tariff Act of 1930 (); ((4)) “aircraft” has the meaning given that term in ; and ((5)) “identification number”— ((A)) in the case of a motor vehicle, has the meaning given that term in ; and ((B)) in the case of any other vehicle or equipment covered by this section, means a number or symbol assigned to the vehicle or equipment, or part thereof, by the manufacturer primarily for the purpose of identifying such vehicle, equipment, or part.