If any property not included in the original inventory comes to the knowledge of a personal representative or if the personal representative learns that the value or description indicated in the original inventory for any item is erroneous or misleading, he shall make a supplementary inventory or appraisement showing the market value as of the date of the decedent's death of the new item or the revised market value or descriptions, and the appraisers or other data relied upon, if any, and file it with the court if the original inventory was filed, or send copies thereof to the state tax commission and to all interested persons to whom copies of the original inventory were sent pursuant to section 15-3-706, Idaho Code.
Idaho Code § 15-3-708