35 Pa. Stat. § 31
The said commissioners, on the completion of said hospitals, shall surrender their trusts to the board of managers, to consist of nine members for each hospital, to be appointed by the Governor from the counties named in the first section of this act. Said managers or trustees shall be a body politic or corporate, by the name and style of "The Trustees of the Cottage State Hospitals for Injured Persons of the Bituminous and semi-Bituminous Coal Regions of Pennsylvania," for which they are appointed. They shall serve without compensation, other than necessary traveling expenses incurred in the discharge of the duties pertaining to the above-named institutions, and such expenses shall be paid out of moneys in the State Treasury not otherwise appropriated, and shall manage and direct the concerns of said institutions, and make all necessary by-laws and regulations not inconsistent with the Constitution and laws of the Commonwealth.
35 P.S. § 31