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not be imposed on tangible personal property taxed at the 1% rate under the Service Occupation Tax Act (or at the 0% rate imposed under this amendatory Act of the 102nd General Assembly). Beginning December 1, 2019 and through December 31, 2020, this tax may not be imposed on sales of aviation fuel unless the tax revenue is expended for airport-related purposes. If the District does not have an airport-related purpose to which it dedicates aviation fuel tax revenue, then aviation fuel shall be excluded from tax. The board must comply with the certification requirements for airport-related purposes under Section 2-22 of the Retailers' Occupation Tax Act. For purposes of this Act, "airport-related purposes" has the meaning ascribed in Section 6z-20.2 of the State Finance Act. Beginning January 1, 2021, this tax is not imposed on sales of aviation fuel for so long as the revenue use requirements of 49 U.S.C. 47107(b) and 49 U.S.C. 47133 are binding on the District. The tax imposed under this subsection and all civil penalties that may be assessed as an incident thereof shall be collected and enforced by the Department of Revenue. The Department has full power to administer and enforce this subsection; to collect all taxes and penalties due hereunder; to dispose of taxes and penalties so collected in the manner hereinafter provided; and to determine all rights to credit memoranda arising on account of the erroneous payment of tax or penalty hereunder. In the administration of, and compliance with this subsection, the Department and SB3019 Enrolled LRB104 20255 HLH 33706 b Public Act 104-0468