Mich. Comp. Laws § 87.13: Payment receipts and vouchers.

Sec. 13.

The said treasurer shall take receipts and vouchers for all moneys paid from the treasury, showing the amount and fund from which payment was made, and he shall exhibit to the council such receipts or vouchers on the first Monday of March in each year, or as often as the council shall require, as provided in the next preceding section.