Mich. Comp. Laws § 2.27

Sec. 7. The flag of the United States and the state flag bearing the arms of the state, shall be displayed upon the capitol building during the daily sessions of the legislature and of the supreme court, and on public occasions. The board of state auditors shall see that the flags are so displayed and that the necessary flag staffs shall be placed and flags supplied. The expense thereof shall be allowed by them and paid by the state treasurer upon proper warrant.