“ By virtue of the authority vested in me by the Constitution and statutes of the United States of America, including Title V of the Trade Act of 1974 (the Trade Act) (19 U.S.C. 2461 et seq.) , as amended, section 604 of the Trade Act (19 U.S.C. 2483) , and section 503 (a) (2) (A) of the Trade Agreements Act of 1979 (93 Stat. 251) , in order to modify, as provided by sections 504 (a) and (c) of the Trade Act (19 U.S.C. 2464 (a) and (c) ) , the limitations on preferential treatment for eligible articles from countries designated as beneficiary developing countries ”