All laws requiring deeds, plats, or other instruments affecting unregistered land to bear the endorsement of the proper city or county officials showing that all taxes or assessments upon the same have been paid, shall be operative as to land registered under sections 508A.01 to 508A.85, and all laws shall be complied with before any deed, plat, or other instrument affecting the registered land shall be filed with the registrar.
Minn. Stat. § 508A.53
1982 c 396 s 46