Mich. Comp. Laws § 3.541

Sec. 1. Whenever the United States, or any agency or officer thereof, or the war surplus property board, shall offer equipment, supplies, materials or funds for wartime or defense activities or for any other governmental purpose to the state or to any political subdivision thereof, the state or political subdivision is hereby authorized to accept such offer and the state administrative board of the state, or the legislative body of the political subdivision may authorize any officer of the state or of the political subdivision to accept or purchase said equipment, supplies, materials or funds on behalf of the state or political subdivision.