Michigan Laws 780.166a – Adjudicating issue of paternity

The court of this state when acting as a responding court may adjudicate the issue of paternity if both of the following apply:

(a) Paternity has not been legally acknowledged, previously adjudicated, or established by marriage.

state: when applied to the different parts of the United States, shall be construed to extend to and include the District of Columbia and the several territories belonging to the United States; and the words "United States" shall be construed to include the district and territories. See Michigan Laws 8.3o

(b) The obligor asserts as a defense that he is not the father of the child for whom support is sought.