A Supplement to the act of July 28, 1966 (3rd Sp. Sess., P. L. 87, No. 3), entitled "An act providing for the establishment and operation of the University of Pittsburgh as an instrumentality of the Commonwealth to serve as a State-related university in the higher education system of the Commonwealth; *** authorizing appropriations in amounts to be fixed annually by the General Assembly; providing for the auditing of accounts of expenditures from said appropriations; providing for public support and capital improvements; authorizing the issuance of bonds exempt from taxation within the Commonwealth; requiring the chancellor to make an annual report of the operations of the University of Pittsburgh," making appropriations to the University of Pittsburgh; providing for a basis from payments of the appropriations; and providing a method of accounting for the funds appropriated.