; and (II) the date on which the Administrator validates an effective quality control and testing procedure for the perfluoroalkyl or polyfluoroalkyl substance or class of perfluoroalkyl or polyfluoroalkyl substances. (ii) Waiver The Administrator may waive the requirements of clause (i) with respect to a perfluoroalkyl or polyfluoroalkyl substance or class of perfluoroalkyl and polyfluoroalkyl substances if the Administrator determines that there is a substantial likelihood that the perfluoroalkyl or polyfluoroalkyl substance or class of perfluoroalkyl or polyfluoroalkyl substances will not occur in drinking water with sufficient frequency to justify the publication of a health advisory, and publishes such determination, including the information and analysis used, and basis for, such determination, in the Federal Register. . (b) Enforcement Notwithstanding any other provision of law, the Administrator of the Environmental Protection Agency may not impose financial penalties for the violation of a national primary drinking water regulation (as defined in section 1401 of the Safe Drinking Water Act ( 42 U.S.C. 300f )) with respect to a perfluoroalkyl or polyfluoroalkyl substance or class of perfluoroalkyl or polyfluoroalkyl substances for which a national primary drinking water regulation has been promulgated under section 1412(b)(16) of the Safe Drinking Water Act earlier than the date that is 5 years after the date on which the Administrator promulgates the national primary drinking water regulation. 7. Assistance to Territories for addressing emerging contaminants, with a focus on perfluoroalkyl and polyfluoroalkyl substances Section 1452(t) of the Safe Drinking Water Act ( 42 U.S.C. 300j–12(t) ) is amended— (1) in paragraph (1), by striking Amounts and inserting Subject to paragraph (2) ; (2) by redesignating paragraph (2) as paragraph (3)