1. Treatment of goods exported for modification and reimported
“(e) For purposes of subheadings 9802.00.40 and 9802.00.50, if an article is exported from the United States for the purpose of repairing or altering the article and the article is subsequently imported into the United States—
“(1) the article shall be considered to be the same article that was exported without regard to whether the article contains 1 or more components recovered from an identical or similar article that was also exported from the United States; and
“(2) the cost or value of any such components shall not be included in the value of the article when the article enters the United States.”
“3.
“(a) For purposes of heading 9801.00.20—
“(i) fungible goods exported from the United States may be commingled, and
“(ii) the origin, value, and classification of such goods may be accounted for using an inventory management method.
“(b) If a person chooses to use an inventory management method under paragraph (a) with respect to fungible goods, the person shall use the same inventory management method for any goods with respect to which the person claims fungibility.
“(c) For purposes of this note—
“(i) the term “fungible good” means any good that is commercially interchangeable with another good and that has properties that are essentially identical to the properties of another good; and
“(ii) the term “inventory management method” means any method for managing inventory that is based on generally accepted accounting principles.”
“4. For textile and apparel products classified in subchapter I or II of this chapter, the manufacturer’s identification code (MID) of the facility that repairs, alters, assembles, processes, stores, or otherwise handles the products may be used on any customs entry documentation or electronic data transmission that requires identification of the manufacturer.”