Michigan Compiled Laws, Chapter 570. Liens § 570.306

Sec. 6. (1) After the amount of the lien under section 3  1 is paid to the garage keeper and the costs of the sale are deducted, any remaining money shall be paid to the following persons in this descending order of priority:

(2) Proceeds of the sale remaining after the distribution is made under subsection (1) shall be returned to the owner of the vehicle by mailing the proceeds to the owner's last known address by certified mail. If the garage keeper cannot locate the owner within 14 calendar days after the date of the sale, the remaining money shall be transmitted to the department. If the owner does not claim the remaining money within 2 years after the date of the sale, it shall escheat to the state.