Okla. Stat. tit. 58, § 58-331.1: Identification of creditors

A. As used in this act, "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.