The admission or commitment to a facility of an individual who allegedly has a mental illness, an alleged substance abuser, or an individual who allegedly has an intellectual or other developmental disability under the provisions of this Article shall in no way affect incompetency proceedings as set forth in Chapter 35A or former Chapters 33 or 35 of the General Statutes and incompetency proceedings under those Chapters shall have no effect upon admission or commitment proceedings under this Article. (1963, c. 1184, s. 1; 1985, c. 589, s. 2; 1989, c. 625, s. 21; 1989 (Reg. Sess., 1990), c. 1024, s. 26(b); 2019-76, s. 5.)