sums as are necessary to carry out this subsection, to remain available until expended. 6. Prohibition against food contact substances containing perfluoroalkyl and polyfluoroalkyl substances Paragraph (6) of section 409(h) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 348(h)(6) ) is amended— (1) by striking (6) and inserting (6)(A) Definition.—