; and (ii) nonhub and small hub airports. (4) Authorization (A) In general There is authorized to be appropriated to the Secretary to carry out this subsection the following amounts: (i) $1,020,000,000 for fiscal year 2019. (ii) $1,041,000,000 for fiscal year 2020. (iii) $1,064,000,000 for fiscal year 2021. (iv) $1,087,000,000 for fiscal year 2022. (v) $1,110,000,000 for fiscal year 2023. (B) Availability Sums authorized to be appropriated under subparagraph (A) shall remain available for 2 fiscal years. . 159. State taxation (a) In general Section 40116(d)(2)(A) of title 49, United States Code, is amended by adding at the end the following: (v) except as otherwise provided under section 47133, levy or collect a tax, fee, or charge, first taking effect after the date of enactment of this clause, upon any business located at a commercial service airport or operating as a permittee of such an airport that is not generally imposed on sales or services by that State, political subdivision, or authority unless wholly utilized for airport or aeronautical purposes. . (b) Rule of construction Nothing in this section or an amendment made by this section shall affect a change to a rate or other provision of a tax, fee, or charge under section 40116 of title 49, United States Code, that was enacted prior to the date of enactment of this Act. Such provision of a tax, fee, or charge shall continue to be subject to the requirements to which such provision was subject under that section as in effect on the day before the date of enactment of this Act. 160. Airport investment partnership program (a) In general Section 47134 of title 49, United States Code, is amended— (1) by striking the section heading and inserting Airport investment partnership program ; (2) in subsection (b), by striking , with respect to not more than 10 airports,