61 Pa. Stat. § 390.709
All bonds issued under the authority of this chapter shall be redeemed at maturity, and all interest due from time to time on such bonds shall be paid from the Local Criminal Justice Sinking Fund, which is hereby created. For the specific purpose of redeeming these bonds at maturity and paying all interest thereon in accordance with the information received from the Governor, the General Assembly shall appropriate moneys for the payment of interest on these bonds and the principal thereof at maturity. All moneys paid into the Local Criminal Justice Sinking Fund and all of such moneys not necessary to pay accruing interest shall be invested by the Board of Finance and Revenue in such securities as are provided by law for the investment of the sinking funds of the Commonwealth.
61 P.S. § 390.709