Beginning in State Fiscal Year 2023, and every State fiscal year thereafter, reimbursement rates for those community-based substance use disorder treatment and intervention services shall be adjusted upward by an amount equal to the Consumer Price Index-U from the previous year, not to exceed 2% in any State fiscal year. If there is a decrease in the Consumer Price Index-U, rates shall remain unchanged for that State fiscal year. The Department shall adopt rules, including emergency rules in accordance with the Illinois Administrative Procedure Act, to implement the provisions of this Section.
As used in this Section, "Consumer Price Index-U" means the index published by the Bureau of Labor Statistics of the United States Department of Labor that measures the average change in prices of goods and services purchased by all urban consumers, United States city average, all items, 1982-84 = 100.
20 ILCS 301/55-30