Wisconsin Statutes Probate (Ch. 851 to 882) § 865.05. Notice: method and time of giving

(1) Notice of application to initiate administration of an estate under this chapter shall be given to the persons entitled thereto under s. 879.03(2) and (3) in accordance with s. 879.05, unless waived under s. 879.09. Notice to creditors shall be given in accordance with s. 859.07.

(2) When an estate is under formal administration and is to be made subject to this chapter the personal representative shall give notice to every interested person at least 20 days prior to filing with the probate registrar the application to initiate informal administration. Notice shall be given under s. 879.05, unless waived under s. 879.09.

(3) When an estate is under informal administration and a demand for a formal proceeding has been made, the personal representative shall, within 10 days of receipt of the demand, mail to each person interested in the estate a statement disclosing the demand and its nature.