Minn. R. 5510.5160
STEP THREE
Subpart 1. Serving grievance on chief administrative agent. If the grievance is not resolved under part 5510.5150 (step two), the exclusive representative may serve the written grievance on the chief administrative agent of the employer or the agent's designated representative within ten days after the written response required by part 5510.5150 (step two) was due. Subp. 2. Meeting with chief administrative officer. A. An exclusive representative's agent must meet with the chief administrative officer or designee within five days of the written grievance's service, and the agent and the chief administrative officer or designee must attempt to resolve the grievance. B. The chief administrative officer or designee must serve a written response to the grievance on the exclusive representative's agent within five days of the meeting.