Minn. Stat. § 384.02: BOND.

Each county auditor, before entering upon the duties of office, shall give a bond to the state to be approved by the county board in such penal sum not less than $5,000 nor more than $20,000 as such board requires, conditioned for the faithful discharge of the duties of office, upon which shall be endorsed an oath of office. The bond so endorsed shall be recorded in the office of the county recorder.