A. Any person found not guilty by reason of insanity by a criminal court may be ordered to the proper institution in accordance with Code of Criminal Procedure Article 654 et seq.
B. Any person who is determined to lack the capacity to proceed, who will not attain the capacity to proceed with his trial in the foreseeable future, and who is not a danger to himself or others, shall be discharged in accordance with Code of Criminal Procedure Article 648 et seq. However, this release is without prejudice to any right the state may have to institute civil commitment proceedings pursuant to R.S. 28:53 or 54. Furthermore, this person may be held in a treatment facility for a reasonable time period pending the judicial commitment hearing. If judicial commitment proceedings are necessary, they shall be instituted pursuant to Code of Criminal Procedure Article 648(B)(3) after a determination that the person will not attain the capacity to proceed with his trial.
C. Any person serving a sentence who develops a mental illness may be committed to the proper institution in the manner provided for judicial commitment by the district court of the place of incarceration and contradictorily with the director or administrator of the place of incarceration or with the sheriff of that parish. The period of commitment shall be credited against the sentence imposed by the court.
D. The department shall designate treatment facilities for the care of clients who have a mental illness committed in accordance with this Section.