This article shall be in full force and effect from and after
its passage and approval and publication as required by law; provided,
however, that the tax provided for herein shall take effect for all
sales on or after January 1, 2020, or as soon thereafter as the Illinois
Department of Revenue shall begin administering the Municipal Cannabis
Retailer's Occupation Tax Law. Copies of this article shall be certified
and sent to the Illinois Department of Revenue prior to January 1,
2020, or as soon thereafter as shall be accepted by the Illinois Department
of Revenue.