19 C.F.R. § 10.48
(b) The following evidence shall be filed in connection with the entry: A declaration, or its electronic equivalent, in the following form by the artist who produced the article, or by the seller, shipper or importer, showing whether it is original, or in the case of sculpture, the original work or model, or one of the first twelve castings, replicas, or reproductions made from the original work or model; and in the case of etchings, engravings, woodcuts, lithographs, or prints made by other hand-transfer processes, that they were printed by hand from hand-etched, hand-drawn, or hand-engraved plates, stones, or blocks:
I, ________, do hereby declare that I am the producer, seller, shipper or importer of certain works of art, namely ________ covered by the annexed invoice dated ________; that any sculptures or statuary included in that invoice are the original works or models or one of the first twelve castings, replicas, or reproductions made from the sculptor's original work or model; and that any etchings, engravings, woodcuts, lithographs, or prints made by other hand-transfer processes included in that invoice were printed by hand from hand-etched, hand-drawn, or hand-engraved plates, stones, or blocks.
[T.D. 94-3, 58 FR 68742, Dec. 29, 1993, as amended by CBP Dec. 15-14, 80 FR 61284, Oct. 13, 2015]