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purposes. If the county does not have an airport-related purpose to which it dedicates aviation fuel tax revenue, then aviation fuel is excluded from the tax. The county must comply with the certification requirements for airport-related purposes under Section 2-22 of the Retailers' Occupation Tax Act. For purposes of this Section, "airport-related purposes" has the meaning ascribed in Section 6z-20.2 of the State Finance Act. This exclusion for aviation fuel only applies 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 county. The changes made to this Section by this amendatory Act of the 101st General Assembly are a denial and limitation of home rule powers and functions under subsection (g) of Section 6 of Article VII of the Illinois Constitution. The tax imposed by a home rule county pursuant to this Section and all civil penalties that may be assessed as an incident thereof shall be collected and enforced by the State Department of Revenue. The certificate of registration which is issued by the Department to a retailer under the Retailers' Occupation Tax Act or under the Service Occupation Tax Act shall permit such registrant to engage in a business which is taxable under any ordinance or resolution enacted pursuant to this Section without registering separately with the Department under such ordinance or resolution or under this Section. The Department shall have full power to administer and enforce this Section; to collect all taxes and penalties due hereunder; to dispose SB3019 Enrolled LRB104 20255 HLH 33706 b Public Act 104-0468