225 ILCS 120/40

The Department shall make any rules and regulations, not inconsistent with law, as may be necessary to carry out the purposes and enforce the provisions of this Act. All rules and regulations promulgated under this Section shall conform to wholesale drug distributor licensing guidelines formally adopted by the FDA at 21 C.F.R. Part 205. In case of conflict between any rule or regulation adopted by the Department and any FDA wholesale drug distributor or third-party logistics provider guideline, the FDA guideline shall control.