19 C.F.R. § 10.9
(a) Except as otherwise provided for in this section, the following documents shall be filed in connection with the entry of articles which are returned after having been exported for further processing and which are claimed to be subject to duty only on the value of the processing performed abroad under subheading 9802.00.60, Harmonized Tariff Schedule of the United States (HTSUS):
(1) A declaration by the person who performed the processing abroad, in substantially the following form:
I, __________, declare that the articles herein specified are the articles which, in the condition in which they were exported from the United States, were received by me (us) on ____________, 19 ______, from ________________ (name and address of owner or exporter in the United States); that they were received by me (us) for the sole purpose of being processed; that only the processing described below was effected by me (us); that the full cost or (when no charge is made) value of such processing and the value of the articles after processing are correctly stated below; and that no substitution whatever has been made to replace any of the articles originally received by me (us) from the owner or exporter thereof mentioned above. Marks and numbers Description of articles and of processing Full cost or (when no charge is made) value of processing (see subchapter II, chapter 98, HTSUS) Total value of articles after processing (Date) (Address) (Signature) (Capacity)
(2) A declaration by the owner, importer, consignee, or agent having knowledge of the pertinent facts in substantially the following form:
I, __________, declare that the (above) (attached) declaration by the person who performed the processing abroad is true and correct to the best of my knowledge and belief; that the articles were manufactured in the United States by ________________ (name and address) or, if of foreign origin, were subjected to ________________ (show processes of manufacture, such as molding, casting, machining) in the United States by ________________ (name and address); that the articles were not manufactured or produced in the United States under subheading 9813.00.05, HTSUS; that the articles were exported for processing and without benefit of drawback from ________________ (port) on ____________, 19 ______; that the articles entered in their processed condition are otherwise the same articles that were exported on the above date and that are identified in the (above) (attached) declaration; and that the returned articles will be subjected to ________________ (describe processing to be performed in the United States) by ________________ (name and address of U.S. processor). (Date) (Address) (Signature) (Capacity)
[T.D. 94-47, 59 FR 25568, May 17, 1994]