A Supplement to the act of July 7, 1972 (P. L. 743, No. 176), entitled "An act providing for the establishment and operation of Lincoln University as an instrumentality of the Commonwealth to serve as a State-related institution in the higher education system of the Commonwealth; *** providing for preference to Pennsylvania residents in tuition; 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 President to make an annual report of the operations of Lincoln University," making appropriations to Lincoln University; providing for a basis for payments of the appropriations; and providing a method of accounting for the funds appropriated.