70 ILCS 3615/2.24
The Regional Transportation Authority, and all of the Service Boards subject to the Authority, including the Chicago Transportation Authority, shall be responsible for the establishment, maintenance, administration and enforcement of a comprehensive drug and alcohol testing program which is in absolute conformity with Federal statutes and regulations currently in effect.
(from Ch. 111 2/3, par. 702.24)
(Source: P.A. 88-619, eff. 1-1-95.)