Minn. Stat. § 347.18: TAGS; RESTRICTIONS, PROHIBITIONS.

No person, except the owner or the owner's authorized agent, shall remove any license tag from a dog collar or remove any collar with a license attached thereto from any dog. No person shall keep or harbor a dog wearing a fictitious, altered, or invalid license tag, or a license tag not issued in connection with the licensing or keeping of the dog wearing the same. No license or license tag issued for one dog shall be transferable to another dog.