Said hearings shall be conducted by the Secretary of Mines or a deputy secretary, or other qualified representative of the Commonwealth delegated in writing by the secretary, at such time and place in the district where the official charged is employed, as the person conducting the hearing shall designate, and on not less than five (5) days' written notice thereof. The official charged, the operator of the mine or colliery in which said official was employed, or his or its representative, shall have the right to appear at said hearing, in person, to be represented by counsel to present testimony and other evidence material to said charge, and to examine witnesses. All testimony taken at such hearing shall be under oath and shall be reduced to writing by a competent person designated by the Secretary of Mines. The person conducting said hearing shall cause to be complied and filed with the Secretary of Mines, a complete record of said hearing. Within ten (10) days following the close of such hearing, any party to the proceeding may file with the Secretary of Mines a written brief or argument. The Secretary of Mines shall, within thirty (30) days following the close of such hearing, make findings based on the evidence and shall embody such findings in an order, determining the charges and stating the action taken thereon. Such findings and order shall be served upon all parties to the proceeding, either personally or by registered mail, within (10) days after such findings. The Secretary of Mines shall have authority, from time to time, to make, amend and rescind rules and regulations relating to the conduct of hearings under this act.
52 P.S. § 13