; (3) contaminants of concern that may leech from product packaging into a cosmetic; and (4) any other contaminant of concern identified by the Secretary that are present in cosmetics. (b) Evaluation; labeling The Secretary shall use the process described in sections 615 and 616 to evaluate contaminants of concern for possible elimination or restriction in cosmetics. The Secretary shall require that a contaminant on the list under subsection (a) be declared on the label of a cosmetic, in the same manner as an ingredient under section 613. (c) Requirements for testing (1) In general Not later than 1 year after the date of enactment of this subchapter, the Secretary shall establish, by rule, requirements for testing ingredients and cosmetics for contaminants listed under subsection (a) . (2) Contents The requirements under paragraph (1) shall include— (A) testing methods and applicable protocols; and (B) maximum allowable detection limits for each contaminant in an ingredient or cosmetic. (3) Update The Secretary shall annually update the requirements under paragraph (1) . (d) Supplier requirements Not later than 1 year after the promulgation of the rule under subsection (b)(1) , a supplier of an ingredient that is used in a cosmetic shall, with respect to such ingredient— (1) comply with the requirements under subsection (b)(1) for any ingredient listed under subsection (a) ; (2) conduct similar testing on any ingredient that— (A) the supplier expects may be used in a cosmetic; (B) the supplier suspects may contain a contaminant of concern; and (C) is not listed under subsection (a) ; and (3) upon the sale of an ingredient to the manufacturer, provide to the manufacturer specifications for the ingredient that— (A) include the levels of contaminants present in such ingredient