; and (B) available only for the purpose of paying the costs of carrying out section 317U of the Public Health Service Act. (3) Authorization of appropriations For fiscal year 2021 and each subsequent fiscal year, there is authorized to be appropriated for fees under this section an amount equal to the amount specified in subsection (b)(1) for the fiscal year. (d) Applicability to fiscal year 2020 If the date of enactment of the Providing Resources to End the Vaping Epidemic Now for Teenagers Act of 2020 occurs during fiscal year 2021, the following applies: (1) The Secretary shall determine the fees that would apply for a single quarter of such fiscal year according to the application of subsection (b) to the amount specified in paragraph (1)(A) of such subsection (referred to in this subsection as the quarterly fee amount ). (2) For the quarter in which such date of enactment occurs and any preceding quarter of fiscal year 2021, fees shall not be assessed or collected under this section. (3) The amount specified in subsection (b)(1)(A) is deemed to be reduced by the quarterly amount for each quarter for which fees are not assessed or collected by operation of paragraph (3). (4) For any quarter in fiscal year 2021 following the quarter in which the date of enactment of the Providing Resources to End the Vaping Epidemic Now for Teenagers Act of 2020 occurs, the full quarterly fee amount shall be assessed and collected. . (b) Enforcement (1) In general Section 902(4) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 387b(4) ) is amended by inserting , or the manufacturer or importer of electronic nicotine delivery systems fails to pay a user fee assessed to such manufacturer or importer pursuant to section 919A by the date specified in section 919A or by the 30th day after final agency action on a resolution of any dispute as to the amount of such fee before the semicolon. (2) Effective date The amendment made by paragraph (1) shall take effect on the later of October 1, 2021, or the date of enactment of