(a) When any proposed patient or involuntary patient has been admitted to any treatment facility pursuant to Kan. Stat. Ann. § 59-2954, 59-2958, 59-2959, 59-2964, 59-2966 or 59-2967 and amendments thereto, the head of the treatment facility shall discharge and release the patient when the patient is no longer in need of treatment, except that no patient shall be discharged from a state psychiatric hospital without the hospital receiving and considering recommendations from the participating mental health center serving the area where the patient intends to reside.

(b) Nothing in this section shall be construed to amend or modify or repeal any law relating to the confinement of persons charged with or convicted of a criminal offense.