; or (ii) the Commissioner determines under subparagraph (B) that the article remains commercially unavailable in Americas partner countries. (B) Investigation After an article described in any of subparagraphs (E) through (G) of paragraph (2) has been on the list established under paragraph (1) for 4 years, the Commission may investigate whether the article remains commercially unavailable in Americas partner countries. (5) International Trade Commission determination Upon the request of a producer, in an Americas partner country, of an article on the list established under paragraph (1), the Deputy Under Secretary shall remove the article from the list if— (A) the Commission determines the article is commercially available in the United States