Singapore legislation
Section 85
Section 85
Intoxication when a defence
(1)
Except as provided in this section and in section 86, intoxication shall not constitute a defence to any criminal charge.
(2)
Intoxication is a defence to any criminal charge if by reason of the intoxication the person charged, at the time of the act or omission complained of —
did not know what he was doing; or
did not know that such act or omission was wrong (whether wrong by the ordinary standards of reasonable and honest persons or wrong as contrary to law),and the state of intoxication was caused without the knowledge or against the will of the person charged with the offence.
(3)
Intoxication is a defence to any criminal charge if by reason of the intoxication the person charged was of unsound mind as determined in accordance with section 84.