Okla. Stat. tit. 43A, § 43A-5-309: Detention against will prohibited - Notice of desire to

be discharged.

No consumer admitted to a state or private mental hospital under

the provisions of the Mental Hospital Voluntary Admission Procedures

Act shall be detained in a mental hospital against the will of the

person more than one hundred twenty (120) hours or five (5) days,

excluding weekends and holidays, after the consumer gives notice in

writing to the executive director of the facility of the desire of

the consumer to be discharged from the facility. If during the

emergency detention the consumer becomes medically unstable, the

time limit on the emergency detention period stipulated in this

section shall be tolled until the consumer is treated at a medical

facility and is medically stabilized. The executive director of the

facility may designate one or more employees of the facility to

receive a notification provided by this section with the same effect

as if delivered to the executive director personally.