Minn. Stat. § 370.09: QUALIFY COMMISSIONERS; ELECT CLERK; APPOINT OFFICERS.

Immediately after the service upon them of copies of the governor's proclamation, the persons chosen as commissioners shall meet at the place named as the county seat and qualify. The county board shall elect one of its members to act as clerk until the auditor is qualified; and shall then appoint the county officers, beginning with the auditor, and the appointed persons shall qualify as required by law.