"Developing countries" . . "United States" . . . . . "Notice of amendment to Customs Valuation Agreement communication from the president of the United States transmitting notice of his intention to enter into a supplementary agreement on customs valuation with certain developing countries, pursuant to section 102(e) (1) of the Trade Act of 1974"@en . . . . . . . "Notice of amendment to Customs Valuation Agreement : communication from the president of the United States transmitting notice of his intention to enter into a supplementary agreement on customs valuation with certain developing countries, pursuant to section 102(e) (1) of the Trade Act of 1974"@en . . . . . . . .