(1) An amount made available under subchapter I of chapter
471 of this title (except section
47127) may not be used for a project that uses a product or service of a foreign country during any period the country is on the list maintained by the United States Trade Representative under subsection (d)(1) of this section.
(2) Paragraph (1) of this subsection does not apply when the Secretary of Transportation decides that
(A) applying paragraph (1) to the product, service, or project is not in the public interest;
(B) a product or service of the same class or type and of satisfactory quality is not produced or offered in the United States, or in a foreign country not listed under subsection (d)(1) of this section, in a sufficient and reasonably available amount; and
(C) the project cost will increase by more than 20 percent if the product or service is excluded.