Mich. Comp. Laws § 125.1449s

Sec. 49s. Upon the payment of the entire sum bid at such sale, and the interest thereon and expenses, as mentioned in section 49j, to the register of deeds of the county in whose office the sheriff's deed shall have been deposited, the register of deeds shall give notice of such payment, by mail or otherwise to the purchaser or his or her agent or attorney.