Mich. Comp. Laws § 730.515

Sec. 15. The judges of such court may by rule require that all motions made in such court shall be in writing. All written motions shall be filed with the clerk of the court who shall set a date for hearing thereon before the presiding judge, or some other judge to whom the presiding judge may assign the hearing and disposition of such matters, in accordance with the rules and practice of such court. The moving party shall cause to be served upon the opposite parties or their attorneys copies of such motions and notices of hearing thereof within the time and in the manner fixed by the rules and practice of such court.