Okla. Stat. tit. 63, § 63-947: Certificate of death

A. The certification of death of any person whose death is

investigated under Section 931 et seq. of this title shall be made

by the Chief Medical Examiner or his or her designee upon a medical

examiner death certificate provided by the State Registrar of Vital

Statistics. Such death certificates shall be valid only when signed

by the Chief Medical Examiner or his or her designee. Copies of all

such certificates shall be forwarded immediately upon receipt by the

State Registrar of Vital Statistics to the Office of the Chief

Medical Examiner. The final certification of death issued under

this section shall be signed by the Chief Medical Examiner or his or

her designee immediately upon conclusion of the investigation and

completion of the case.

B. Any certification of death by an attending physician may be

referred by the State Registrar of Vital Statistics to the Chief

Medical Examiner for investigation and the amending of the original

certificate of death by the filing of a medical examiner death

certificate by the Chief Medical Examiner or his or her designee

when the death is determined by the Chief Medical Examiner to be one

properly requiring investigation under Section 938 of this title.

C. Medical examiner death certificates shall not be required in

cases investigated solely for the purpose of issuing a permit for

transport of a body out of state.