Minn. Stat. § 347.515: MICROCHIP IDENTIFICATION.

The owner of a dangerous or potentially dangerous dog must have a microchip implanted in the dog for identification, and the name of the microchip manufacturer and identification number of the microchip must be provided to the animal control authority. If the microchip is not implanted by the owner, it may be implanted by the animal control authority. In either case, all costs related to purchase and implantation of the microchip must be borne by the dog's owner.