52 Pa. Stat. § 12
Upon complaint of any mine inspector that a mine foreman, assistant mine foreman or fire boss has failed or refused to perform any duty with which he is charged under the provisions of the law, or has engaged in any acts or activities interfering with the safe and lawful operation of any mine or colliery, specifying the particular acts, failure or refusal, the Secretary of Mines, or in his absence or incapacity to act, any deputy secretary, may, after written notice to such official, setting forth said complaint, a hearing thereon and appropriate findings as hereinafter provided, suspend for a period of not more than one year, or revoke absolutely, the certificate of such mine foreman, assistant mine foreman or fire boss. The Secretary of Mines, upon receiving any such complaint, shall have the power, if he deems such action advisable, forthwith to suspend the certificate of such official temporarily until such hearing and determination of the charges have been completed.
52 P.S. § 12