62 Pa. Stat. § 2258
The commissioners of each county shall have power, with the approval of the Department of Internal Affairs, in the manner provided by law, to issue and negotiate bonds of the institution district to raise funds for the acquisition of real estate, for the erection and equipment of buildings, for the payment of the obligations of the predecessor poor district, for the refunding of outstanding bonds issued by it or the predecessor poor district, and for the funding of notes of the institution district issued under the provisions of this section or of any other floating debt or evidences of indebtedness. Such bonds shall be issued and sold in the manner provided by law for county bonds: Provided, however, That any bonds of the institution district issued to fund its notes shall mature not more than five years from the date thereof.
The commissioners may also borrow moneys for current expenses, giving notes of the institution district, payable in not over one year, bearing not over six per centum interest, and negotiated for not less than par. Payment of such notes shall be provided for in the next annual tax, excepting such notes heretofore or hereafter issued as shall be funded by the issuance of the bonds of the institution district.
62 P.S. § 2258