(a) The said hearings may be held by the commission or any members thereof, or by any of its duly authorized representatives, or by any other person duly authorized by the commission for such purpose in any particular case.

(b) The commission may adopt the findings in the report or may, with or without additional testimony, either return the matter to the representative for such further consideration as the commission deems necessary or make additional or other findings of fact on the basis of all the legally probative evidence in the record and enter its conclusions of law and order in accordance with the requirements for the issuance of an adjudication under Title 2 of the Pennsylvania Consolidated Statutes (relating to administrative law and procedure).

(c) Proceedings before the commission shall be conducted in accordance with Title 1, Part 2 of the Pennsylvania Code.