; and (B) review any regulations imposed on any fluorinated greenhouse gas on which a fee is also imposed by section 9904 of the Internal Revenue Code of 1986. (2) Limitation The Administrator shall not review under this subsection any regulation imposed— (A) on a pollutant that is not a greenhouse gas; or (B) that is imposed for the purpose of— (i) protecting public health and welfare; (ii) monitoring, reporting, or recordkeeping; (iii) conducting or supporting investigations; or (iv) information collection. 9. Effective date The amendments made by this Act shall take effect on the date of the enactment of this Act, except the carbon fee under section 9902 of the Internal Revenue Code of 1986 shall apply to uses, sales, or transfers more than 270 days after the date of the enactment of this Act. 10. Principle of interpretation In the case of ambiguity, the texts of this statute and its amending texts shall be interpreted so as to allow for the most effective abatement of greenhouse gas emissions. 11. No preemption of State law Nothing in this legislation shall preempt or supersede, or be interpreted to preempt or supersede, any State law or regulation.