An ordinance or resolution imposing or discontinuing the Metro-East Park and Recreation District Service Occupation Tax, or an ordinance extending the imposition of a tax, shall be adopted and a certified copy filed with the Department either:
For purposes of determining which tax rate applies, the date of the sale of service is deemed to be the date of the delivery, to the user, of the tangible personal property that the serviceman retransfers as an incident to service.
Ill. Admin. Code tit. 86, § 396.130