Before proceeding with any major operation which in the judgment of the executive director of the facility is advisable or necessary, the executive director shall notify or cause to be notified the spouse, parent or guardian or one of the next of kin residing in Oklahoma, if the information is shown by the records on file with the executive director. A copy of the notice shall be filed in the records of the consumer, except in cases of grave emergency where the medical staff feels that surgical or other intervention is necessary to prevent serious consequences or death, authority is hereby given to proceed with such measure.
Okla. Stat. tit. 43A, § 4-104