(1) The commission shall adopt a uniform system of providing, affixing and displaying official stamps, official labels, or other official indicia for controlled substances on the possession of which an illegal drug tax is imposed.
(2) In addition to any other prohibition against possession of a controlled substance by Idaho law, no person subject to a tax imposed in this chapter may possess a controlled substance, unless the tax has been paid as evidenced by a stamp or other official indicia.
(3) Official stamps, labels, or other indicia to be affixed to all controlled substances shall be purchased from the commission. The purchaser shall pay one hundred percent (100%) of face value for each stamp, label, or other indicia at the time of the purchase.