A. A personal representative shall, unless ordered otherwise by the court, make and return to the court an inventory and/or an appraisement of the estate of the decedent, which has come to his possession or knowledge, designating the homestead and exempt personal property as provided by law, within two (2) months from the date of the order of his appointment. The time to file an inventory and/or appraisement may be extended by the court for good cause shown.

B. The personal representative may fulfill the appraisement requirement by stating his opinion of the value of the estate described in the inventory.

C. The court must order the inventory and/or an appraisement upon presentation of a written demand by any heir, devisee, legatee, a creditor having filed a claim, guardian, conservator, guardian ad litem, or other person having an interest in the estate. If so ordered, the appraisement shall be made by appraisers appointed, sworn and acting as provided by Section 282 of Title 58 of the Oklahoma Statutes.