1. The pharmacy tax required by sections 338.500 to 338.550 shall expire ninety days after any one or more of the following conditions are met:
(1) The aggregate dispensing fee as appropriated by the general assembly paid to pharmacists per prescription is less than the fiscal year 2003 dispensing fees reimbursement amount; or
(2) The formula used to calculate the reimbursement as appropriated by the general assembly for products dispensed by pharmacies is changed resulting in lower reimbursement to the pharmacist in the aggregate than provided in fiscal year 2003; or
(3) September 30, 2029.
2. Sections 338.500 to 338.550 shall expire on September 30, 2029.