625 ILCS 5/18c-4804
The provisions of this Section respecting liability for full actual loss, damage or injury, notwithstanding subsection 2 of Section 7-309 of the "Uniform Commercial Code", as amended, do not apply to property received for transportation concerning which the carrier is expressly authorized or required by order of the Commission to establish rates based on value declared in writing by the shipper or agreed upon by the shipper, in writing, as the released value of the property. Such declarations or agreements have no other effect than to limit liability to an amount not exceeding the value declared or released, and are not in violation of this Chapter. A tariff containing such rates shall contain specific reference to the Commission order authorizing them.
625 ILCS 5/18c-4804