Oklahoma Administrative Code
Title 310 - Oklahoma State Department of Health
Chapter 105 - Vital Statistics
Subchapter 5 - Death Registration
Section 310:105-5-1 - Death registration

(a) Certificate properly filed; when. An attending physician's certificate of death, medical examiner's certificate of death, or fetal death shall be considered properly filed when all items thereon have been satisfactorily and definitely answered in accordance with the instructions of the Commissioner of Health and when the certificate has been presented to the local registrar in the registration district in which death occurred or the body was found.

(b) Fetal death defined. A gestation period of twenty (20) weeks or more is hereby prescribed in defining the term "fetal death."