(1) Save as provided in this section, intoxication shall not constitute a defence to any criminal charge.
(2) Intoxication shall be a defence to any criminal charge if by reason thereof the person charged at the time of the act or omission complained of did not know that such act or omission was wrong or did not know what he was doing and‐
(a) the state of intoxication was caused without his consent by the malicious or negligent act of another person; or
(b) the person charged was by reason of intoxication insane, temporarily or otherwise, at the time of such act or omission.
(3) Where the defence under the preceding subsection is established, then in a case falling under paragraph (a) thereof, the accused person shall be discharged, and in a case falling under paragraph (b), sections 229 and 230 of the Criminal Procedure Act shall apply.
(4) Intoxication shall be taken into account for the purpose of determining whether the person charged had formed any intention, specific or otherwise, in the absence of which he would not be guilty of the offence.
(5) For the purposes of this section, "intoxication" shall be deemed to include a state produced by narcotics or drugs.
Section 29 of the Criminal Code Act in Nigeria