Minn. Stat. § 168B.06
Subd. 1. Written notice of impound.
(b) The notice must:
(4) state that failure of the owner or lienholders to:
Subd. 2. Notice by mail or publication.
The notice shall be sent by mail to the registered owner, if any, of an impounded vehicle and to all readily identifiable lienholders of record. The department shall make this information available to impound lot operators for notification purposes. If it is impossible to determine with reasonable certainty the identity and address of the registered owner and all lienholders, the notice shall be published once in a newspaper of general circulation in the area where the motor vehicle was towed from or abandoned. Published notices may be grouped together for convenience and economy.
Subd. 3. Unauthorized vehicle; second notice.
If an unauthorized vehicle remains unclaimed after 30 days from the date the notice was sent under subdivision 2, a second notice must be sent by certified mail, return receipt requested, to the registered owner, if any, of the unauthorized vehicle and to all readily identifiable lienholders of record.