862.09 Hearing on settlement of account; notice. Upon the filing of any account, the court shall set a date for hearing and notice thereof shall be given in accordance with s. 879.03. Unless notice is waived, the account must be filed not less than 3 weeks before the date set for hearing. An account so filed may be brought up to date on the day of the hearing. If any account shows that the assets in the estate are insufficient to pay the creditors in full, notice of that fact and of the filing of the account shall be given to all creditors who have filed claims against the estate and whose claims have not been disallowed.