16 Pa. Stat. § 12211
The board of commissioners of any county is hereby authorized to enter into agreements with general hospitals within its boundaries or, if the hospital is in another county, within any adjacent county for the care of indigent and part-day patients affected with chronic diseases, provided such hospitals have a rating of class A, are nonsectarian, and are operated on a nonprofit basis.
The board of commissioners of any county is hereby authorized and empowered to appropriate money for the construction and equipping of buildings, wings or units at such hospitals for the care and treatment of chronic disease cases. All expenses incident to the maintenance of any county chronic disease building, wing or unit at a general hospital, erected and equipped for the care of patients afflicted with chronic diseases, under the provisions of this act, shall be paid for by the county in accordance with an agreement with the hospital, which the county is hereby empowered to make. Such agreements may include matters of ownership, operation, depreciation, obsolescence and division of overhead costs. The county shall be liable for the cost of the care and treatment of patients admitted by the county to the chronic disease wing.
16 P.S. § 12211