(a) For purposes of this Article, "pseudoephedrine product" means a product containing any detectable quantity of pseudoephedrine or ephedrine base, their salts or isomers, or salts of their isomers.
(b) For purposes of this Article, a "retailer" means an individual or entity that is the general owner of an establishment where pseudoephedrine products are available for sale.
(c) For purposes of this Article, the "Commission" means the Commission for Mental Health, Developmental Disabilities, and Substance Abuse Services.