Minn. Stat. § 280.37 — ENDORSEMENT BEFORE RECORD

280.37 ENDORSEMENT BEFORE RECORD. Before any certificate of sale or of assignment provided for in this chapter shall be recorded, the holder thereof shall present the same to the county auditor, who shall endorse thereon a certificate that the property therein described remains unredeemed, and that the period of redemption has expired; and no such certificate shall be recorded unless such endorsement is made.