Amends the Illinois Controlled Substances Act. Makes structural and other changes to the list of controlled substances. Adds xylazine as a Class III controlled substance. Defines "isomer". Effective January 1, 2026.

Statutes affected:
Introduced: 720 ILCS 570/102, 720 ILCS 570/204, 720 ILCS 570/206, 720 ILCS 570/208