72 Pa. Stat. § 1704-E.2
The authority and the department may enter into any agreement or service agreement to effectuate the purposes of this article, including an agreement to secure bonds issued for a PlanCon project, pursuant to which the department shall agree to pay service charges to the authority in each fiscal year that the bonds or refunding bonds are outstanding in amounts sufficient to timely pay in full the debt service and any other financing costs due on the bonds issued for the PlanCon project. The department's payment of such service charges shall be subject to and dependent upon the appropriation of funds by the General Assembly to the department for payment of the service charges. The service agreement may be amended or supplemented by the authority and the department in connection with the issuance of any series of bonds or refunding bonds authorized in this section.
72 P.S § 1704-E.2