(35 ILCS 520/4) (from Ch. 120, par. 2154)
    Sec. 4. The Department shall promulgate rules necessary to enforce this Act. The Department shall adopt a uniform system of providing, affixing, and displaying official stamps, official labels, or other official indicia for cannabis and controlled substances on which the tax is imposed pursuant to this Act.
(Source: P.A. 85-663.)