(a) These rules and regulations shall be liberally construed to effectuate the purposes and provisions of this Act and any other acts administered by the Commission.

(b) Whenever the Commission receives a charge or obtains information relating to possible violations of one of the statutes which it administers and the charge or information reveals possible violations of one or more of the other statutes which it administers, the Commission will treat such charges or information in accordance with all such relevant statutes.

(c) Whenever a charge is filed under one statute and it is subsequently believed that the alleged discrimination constitutes an unlawful employment practice under another statute administered and enforced by the Commission, the charge may be so amended and timeliness determined from the date of filing of the original charge.