625 ILCS 5/18c-4604

It shall be a violation of this Chapter, separate and apart from any other violation, for a person to: (1) Operate a vehicle without a current, executed cab card and identifier as required by this Article; (2) Transfer a cab card and identifier to a vehicle other than the vehicle for which it was originally executed, except in accordance with Commission regulations; (3) Use a cab card and identifier issued to another carrier or permit the use of a cab card by another carrier except in accordance with Commission regulations; or (4) Fail to present a cab card and identifier as required by this Article.