Mich. Comp. Laws § 18.1422

Sec. 422. The chief executive officer of a principal department may make advances to participants in state programs which require the expenditure of money before reimbursement by the state or receipt of federal money. An advance shall not be made unless the advance is approved by the director of the department of management and budget. The director after consultation with the state treasurer shall issue directives implementing this section which shall provide for repayment, dollar limitations, and renewal authority.