Minn. Gen. R. Prac. 360.01
Subdivision 1. Intervention as a Matter of Right. To the extent allowed by law, the county agency may, as a matter of right, intervene as a party in any matter conducted in the expedited process. Intervention is accomplished by serving upon all parties a notice of intervention by U.S. mail, or by electronic service under Rule 14 upon parties who have agreed to or are required to accept electronic service under Rule 14. The notice of intervention and affidavit of service shall be filed with the court. No affidavit of service is required for electronic service upon parties who have agreed to accept electronic service under Rule 14.
Subd. 2. Effective Date. Intervention by the county agency is effective when the last person is served with the notice of intervention.
Minn. Gen. R. Prac. 360.01