Mich. Comp. Laws § 780.163

Sec. 13. (1) When the court of this state, acting as a responding court, receives from the interstate central registry of this state copies of the petition, certificate, and act, the clerk of the court shall docket the case and notify the prosecuting attorney of the county, an attorney employed or contracted under section 10a(2), or the friend of the court, as applicable, who shall be charged with the duty of carrying on the proceedings. (2) The prosecuting attorney, an attorney employed or contracted under section 10a(2), or the friend of the court shall take all action necessary in accordance with the laws of this state to enable the court to obtain jurisdiction over the obligor or the obligor's property. He or she shall prosecute the case diligently. (3) A party petitioning for child support under this act shall utilize as a guideline the child support formula developed under section 19 of the friend of the court act, 1982 PA 294, MCL 552.519.