19 CFR § 12.105 - Definitions.
For purposes of §§ 12.106 through 12.109:
(a) The term pre-Columbian monumental or architectural sculpture or mural means any stone carving or wall art listed in paragraph (b) of this section which is the product of a pre-Columbian Indian culture of Belize, Bolivia, Columbia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Panama, Peru, or Venezuela.
(b) The term stone carving or wall art includes:
(1) Such stone monuments as altars and altar bases, archways, ball court markers, basins, calendars, and calendrical markers, columns, monoliths, obelisks, statues, stelae, sarcophagi, thrones, zoomorphs;
(2) Such architectural structures as aqueducts, ball courts, buildings, bridges, causeways, courts, doorways (including lintels and jambs), forts, observatories, plazas, platforms, facades, reservoirs, retaining walls, roadways, shrines, temples, tombs, walls, walkways, wells;
(3) Architectural masks, decorated capstones, decorative beams of wood, frescoes, friezes, glyphs, graffiti, mosaics, moldings, or any other carving or decoration which had been part of or affixed to any monument or architectural structure, including cave paintings or designs;
(4) Any fragment or part of any stone carving or wall art listed in the preceding subparagraphs.
(c) The term country of origin, as applied to any pre-Columbian monumental or architectural sculpture or mural, means the country where the sculpture or mural was first discovered.