In this chapter—
((1)) “existing”, when referring to a type of vessel to which this chapter applies, means a vessel that is not a new vessel.
((2)) “new”, when referring to a type of vessel to which this chapter applies, means a vessel—
((A)) for which the building contract is placed after ;
((B)) in the absence of a building contract, the keel of which is laid, or which is at a similar stage of construction, after ;
((C)) the delivery of which is after ; or
((D)) that has undergone a major conversion under a contract made after , or construction work that began after , or was completed after .
((3)) “person” means an individual (even if not a citizen or national of the United States), a corporation, partnership, association, or other entity (even if not organized or existing under the laws of a State), the United States Government, a State or local government, a government of a foreign country, or an entity of one of those governments.