The governor shall establish and maintain an executive budget function through a state budget director. The governor shall develop and present to the legislature an executive budget proposal for the following fiscal period. The executive budget proposal shall include proposed appropriations for state program services and estimated or proposed revenue and resources for all state operating funds. Proposed appropriations shall not exceed the estimated financing in a state operating fund. The executive budget function shall include the management and execution of the state budget which is enacted into law to deliver intended services within actual levels of financing in the state operating funds.
MCL 18.1323