Mich. Comp. Laws § 322.501
Reserved lands; taxes paid before issuance of patent; reversion to state; restoration to market.
That all lawful taxes, together with the interest and charges thereon, assessed on any state land now or hereafter reserved on account of any road or ditch contract, shall be paid before the issue of any patent thereon; and in default of such payment, such lands shall revert to the state at the expiration of 3 months f…