A. As used in this act,¹ “known creditors”, and related or similar references shall mean those creditors of the decedent actually known to the personal representative or reasonably ascertainable by the personal representative as of the date notice to creditors is filed. “Reasonably ascertainable creditors” shall be those whose identities, last-known addresses and claims can be determined by reasonably diligent efforts of the personal representative. If reasonable under the circumstances, such efforts shall include the personal representative's conducting a search after the decedent's death and prior to the filing of the notice to creditors, of the personal effects of the decedent.

B. The filing of the affidavit provided for in Section 332 of Title 58 of the Oklahoma Statutes shall constitute an affirmation by the personal representative that reasonably diligent efforts have been made by the personal representative to determine the identities, last-known addresses and claims of the decedent's creditors in accordance with this section.

C. As used in this act, “probate”, and related or similar references, include both probate and administration proceedings.