Minn. Stat. § 203B.085
The county auditor's office in each county must be open for acceptance of absentee ballot applications and casting of absentee ballots between the hours of 1:00 to 3:00 p.m. on Saturday and 5:00 to 7:00 p.m. on Monday immediately preceding a primary or general election. The school district clerk, when performing the county auditor's election duties, need not comply with this section.