9802.00.60

Articles returned to the United States after having been exported to be advanced in value or improved in condition by any process of manufacture or other means: Any article of metal (as defined in U.S. note 3(e) of this subchapter) manufactured in the United States or subjected to a process of manufacture in the United States, if exported for further processing, and if the exported article as processed outside the United States, or the article which results from the processing outside the United States, is returned to the United States for further processing