WDCR 39

Every initial pleading on behalf of any party in a divorce, annulment, separate maintenance, protection order against domestic violence, dependency, guardianship of a minor, paternity, termination of parental rights, or other custody action by which custody of children is at issue, and every post-judgment motion and opposition in which custody of children is at issue, shall include or be accompanied by a sworn statement.

1. The sworn statement shall set out whether the party:

(a) Has participated, as a party or witness or in any other capacity, in any other proceeding concerning the custody of or visitation with the child and, if so, identify the court, the case number, and the date of the child custody determination, if any;

(b) Knows of any proceeding that could affect the current proceeding, including proceedings for enforcement and proceedings relating to domestic violence, protective orders, termination of parental rights, and adoptions and, if so, identify the court, the case number, and the nature of the proceeding; and

(c) Knows the names and addresses of any person not a party to the proceeding who has physical custody of the child or claims rights of legal custody or physical custody of, or visitation with, the child and, if so, the names and addresses of those persons.