Michigan Compiled Laws, Chapter 380. School Code of 1976 § 380.621a

Sec. 621a. An intermediate school board shall establish a policy requiring approval by the intermediate school board or its designee of all travel by an intermediate school board member or an intermediate school district employee that includes at least 1 overnight stay and is paid for or reimbursed by the intermediate school district.The policy shall require a board member or employee to submit both a pretravel authorization form detailing estimated expenses and a posttravel form detailing and verifying actual expenses and shall require approval of both forms.