Minn. Stat. § 507.021
When a deed, assignment, or other instrument affecting the title to real estate shall have been filed or recorded in the office of the county recorder of any county, or in any public office authorized to receive such instrument for filing or recording, and shall have continued on record for 15 years and such instrument does not affirmatively show whether the grantor or assignor or person who executed the instrument was married such filing or recording and continuance thereof for such 15-year period shall be prima facie evidence that such grantor or assignor or person who executed the instrument was an unmarried person at the time of the making and delivery of such instrument, unless prior to January 1, 1924, any person claiming any estate in the land affected by such instrument, by, through or under such person or the person's spouse, heirs or devisees, shall commence an action to recover such estate and shall file a notice of lis pendens at the time of the commencement of the action in the office of the county recorder in the county where such land is situated.
Minn. Stat. § 507.021
(8197) 1923 c 208 s 1; 1976 c 181 s 2; 1986 c 444