s 43 Prisoners who are mentally disordered
43.—(1) Whenever a prisoner undergoing a sentence in prison appears to the Commissioner on the certificate of a registered medical practitioner to be mentally disordered, the Commissioner may, by written order, setting forth the grounds of belief that the prisoner is mentally disordered, direct the prisoner’s removal from any prison to any mental hospital or other fit place of safe custody within Singapore, there to be kept and treated as the Commissioner directs —(a) until the expiry of the sentence; or[Act 5 of 2024 wef 31/07/2026] (b) if it is certified by a medical officer that it is necessary for the safety of the prisoner or of others that he or she should be detained under medical care and treatment, until he or she is discharged according to law.[33/2004; 21/2008; 1/2014] [Act 5 of 2024 wef 31/07/2026] (2) When it appears to the Commissioner on the certificate of a registered medical practitioner that such prisoner has ceased to be mentally disordered, the Commissioner must, by a written order, return the prisoner to the prison from where the prisoner was removed if his or her sentence has not expired, but if the sentence has expired, must direct him or her to be discharged.[33/2004; 21/2008; 1/2014] [Act 5 of 2024 wef 31/07/2026] (3) Where a person is confined under this section in a psychiatric institution within the meaning of the Mental Health (Care and Treatment) Act 2008, section 15 of that Act applies to such person after the expiry of the sentence, and the time during which he or she is so confined is reckoned as part of the sentence served by the person.[21/2008] [Act 5 of 2024 wef 31/07/2026]