(1) The Commission--(a) is not bound to act in a formal manner, and(b) is not bound by the rules of evidence, but may inform itself on any matter in any way that it considers to be just, and(c) is to act according to equity, good conscience and the substantial merits of the case without regard to technicalities or legal forms.
(2) However, the rules of evidence and other formal procedures of a superior court of record apply to and in relation to the Commission in Court Session.