S.C. Code Ann. § 62-3-708: Duty of personal representative; supplementary inventory.

If any property not included in the original inventory and appraisement 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 submit a supplementary, amended or corrected 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, the appraisers or other data relied upon, if any, and restating the unchanged information from the original inventory and appraisement and furnish copies to persons who receive the original inventory, and to interested persons who have requested or demanded the new information.