Mich. Comp. Laws § 722.1301: “Petitioner” and “respondent” defined.

Sec. 301.

As used in this article:

"Petitioner" means a person who seeks enforcement of a child-custody determination or enforcement of an order for return of a child under the Hague convention on the civil aspects of international child abduction.

"Respondent" means a person against whom a proceeding has been commenced for enforcement of a child-custody determination or enforcement of an order for the return of a child under the Hague convention on the civil aspects of international child abduction.