Minn. Stat. § 505.04: REAL ESTATE TAXES; RECORDING; COPIES.

Every plat, when duly certified, signed, and acknowledged, as provided in section 505.021, and upon presentation of a certificate from the authorized county official that the current year's taxes have been paid, shall be recorded in the office of the county recorder or registrar of titles, or both, if the plat contains both nonregistered and registered property. All copies required by the county shall be exact transparent reproducible copies prepared in accordance with section 505.021, subdivision 1. The official plat and any copies maintained in county offices shall be open to inspection by the public. Upon request of the county auditor of the county wherein the land is situated, the county recorder or registrar of titles shall cause a reproduction copy of the official plat, or of the exact copy, to be made and filed with the county auditor, at the expense of the county.