; and (2) to give all countries eligible for such duty-free treatment an opportunity to manufacture that footwear if a review determines that such duty-free treatment is warranted. 4. Eligibility of certain footwear for duty-free treatment under the Generalized System of Preferences Section 503(b) of the Trade Act of 1974 ( 19 U.S.C. 2463(b) ) is amended— (1) by designating the second paragraph (5) as paragraph (6); (2) in paragraph (1)— (A) in subparagraph (A), by striking paragraphs (4) and (5) and inserting paragraphs (4) and (6) ; and (B) in subparagraph (E), by striking in paragraph (5) and inserting in paragraphs (6) and (7)