The Commission reserves the right to permit, or after appropriate proceedings, to require the installation of other and different construction, equipment, and devices than those provided by this Part. Exceptions to the application of any of the rules of this Part may be made whenever good cause shows, for experimental or developmental purposes or otherwise, such action appears desirable and reasonable.
Ill. Admin. Code tit. 92, § 1535.60
Amended at 29 Ill. Reg. 20376, effective December 15, 2005