Minn. Stat. § 508A.64

Attachments and liens of every description upon land registered under sections 508A.01 to 508A.85 shall be continued, reduced, discharged, and dissolved by any method sufficient therefor in the case of unregistered land. All certificates, writings, or other instruments permitted or required by law to be filed or recorded to give effect to the enforcement, continuance, reduction, discharge, or dissolution of attachments or other liens upon unregistered land or to give notice of it, shall, in the case of like liens upon land registered under sections 508A.01 to 508A.85 be filed with the registrar.