For the purposes of this chapter—

(1) The term “Secretary” means the Secretary of the Treasury.

(2) The term “United States” includes the several States, the District of Columbia, and the Commonwealth of Puerto Rico.

(3) The term “pre-Columbian monumental or architectural sculpture or mural” means—

(A) any stone carving or wall art which—

(i) is the product of a pre-Columbian Indian culture of Mexico, Central America, South America, or the Caribbean Islands;

(ii) was an immobile monument or architectural structure or was a part of, or affixed to, any such monument or structure; and

(iii) is subject to export control by the country of origin; or

(B) any fragment or part of any stone carving or wall art described in subparagraph (A) of this paragraph.

(4) The term “country of origin”, as applied to any pre-Columbian monumental or architectural sculpture or mural, means the country where such sculpture or mural was first discovered.