Minn. Stat. § 525.83
When notice of hearing is required by any provision of this chapter by reference to this section, the notice shall be given once a week for three consecutive weeks in a legal newspaper designated by the petitioner in the county wherein the proceedings are pending; or, if no such designation be made, in any legal newspaper in the county; or, if the city of the decedent's residence is situated in more than one county, in any legal newspaper in the city. The first publication shall be had within two weeks after the date of the order fixing the time and place for the hearing.
At least 14 days prior to the date fixed for hearing the petitioner, the petitioner's attorney or agent, shall in guardianship or conservatorship mail a copy of the notice to the ward or conservatee, and other persons as the court may direct and in decedents' estates shall mail a copy of the notice to each heir, devisee, and legatee whose name and address are known.
Proof of publication and mailing shall be filed before the hearing. No defect in any notice nor in the publication or service thereof shall invalidate any proceedings.
Minn. Stat. § 525.83
(8992-188) 1935 c 72 s 188; 1941 c 422 s 1; 1957 c 30 s 1; 1971 c 497 s 7; 1973 c 123 art 5 s 7; 1973 c 404 s 1; 1975 c 347 s 137; 1980 c 493 s 25; 1986 c 444