BOOK I
GENERAL PROVISIONS
TITLE vi
CRIMINAL RESPONSIBILITY AND GENERAL EXEMPTIONS
92. Criminal status of insane person.
A person accused of an offence shall be deemed to have been insane at the time he committed the act in respect of which he is accused —
(1) if he was prevented, by reason of idiocy, imbecility or any mental derangement or disease affecting the mind, from knowing the nature or consequences of the act in respect of which he is accused;
(2) if he did the act in respect of which he is accused under the influence of an insane delusion of such a nature as to render him, in the opinion of the jury or of the court, an unfit subject for punishment of any kind in respect of such act .
Incapacity - national proceedings
Insanity - national proceedings
Mental disease or defect - national proceedings
EDIT.