610 ILCS 110/3
Any railroad company neglecting or refusing to comply promptly with any and all of the requirements of either sections 1 or 2 of this act, shall be liable in damages to the party interested, to be recovered by the party damaged in a civil action, and such party may proceed by mandamus against any railroad company so refusing or neglecting to comply with the requirements of this act; and if the shipper, owner or agent of any such grain, millstuffs or seeds shall fail or neglect to proceed by mandamus, it shall then be the duty of the Illinois Commerce Commission of this state, upon complaint of the party or parties interested, to proceed against the railroad failing or refusing to comply with the provisions of this act; and all the powers heretofore conferred by law upon the Illinois Commerce Commission of this state, shall be applicable in the conduct of any legal proceedings commenced by such Commission under this act.
610 ILCS 110/3