§43A-5-101.

§43A-5-101.
   
   A. Any person alleged to be mentally ill or alcohol- or drug-dependent
   to a degree which warrants institutional treatment or care, and who is
   not in confinement in a jail or adult lock-up facility on a criminal
   charge and who has no criminal charges pending against him or her, may
   be admitted to and confined in an institution within the Department of
   Mental Health and Substance Abuse Services, a state psychiatric
   hospital, or a licensed private institution by compliance with any one
   of the following procedures:
   
   1. Emergency admission;
   
   2. On voluntary application; and
   
   3. On involuntary court certification.
   
   B. Any person alleged to be mentally ill or alcohol- or drug-dependent
   to a degree which warrants institutional treatment or care and who has
   criminal charges pending against him or her but is not confined in a
   jail or adult lock-up facility may be admitted to an institution
   within the Department, a state psychiatric hospital or a licensed
   private institution pursuant to the provisions of subsection A of this
   section; provided, the institution or hospital shall be authorized to
   take such reasonable steps as necessary to assure the protection of
   the public, the residents of the institution or hospital and the
   person, including but not limited to segregation and private
   facilities. Provided further, treatment received pursuant to this
   subsection shall not constitute a defense in any criminal proceeding
   except as otherwise provided by Title 22 of the Oklahoma Statutes.
   
   C. Any person confined pursuant to a criminal charge may be admitted
   to and confined pursuant to a court order issued in compliance with
   the provisions of Section 1175.6 of Title 22 of the Oklahoma Statutes.
   
   No person shall be deprived of his or her liberty on the grounds that
   such person is, or is supposed to be, mentally ill or in need of
   mental health treatment, except in accordance with the provisions of
   the Mental Health Law, Section 1-101 et seq. of this title.