Mich. Comp. Laws § 552.2612: Modification of child-support order by tribunal of another state.

Sec. 612.

If a child-support order issued by a tribunal of this state is modified by a tribunal of another state that assumed jurisdiction under the uniform interstate family support act, all of the following apply:

(a) A tribunal of this state may enforce its order that was modified only as to arrears and interest accruing before the modification.

(b) A tribunal of this state may provide appropriate relief for violations of its order that occurred before the effective date of the modification.

(c) A tribunal of this state shall recognize the modifying order of the other state, upon registration, for the purpose of enforcement.