Mich. Comp. Laws § 780.181a

Sec. 31a. (1) If there is no Michigan support order but there is a foreign support order, upon request of the obligee or the family independence agency if support has been assigned to it, the friend of the court in the county where the obligee resides shall inform the source of support payments to transmit the payments to the friend of the court or the state disbursement unit, as appropriate. (2) The friend of the court or SDU shall receive, record, disburse, and monitor payments made pursuant to the foreign support order. (3) A copy of the foreign support order shall be filed with the clerk of the court. (4) The filing of a support order pursuant to this section is not a registration as described in section 30.