Section 64: Drunkenness

(1) A person subject to service law under this Act who is drunk, whether on duty or not, is guilty of drunkenness and liable, on conviction by a court-martial, to imprisonment for a term not exceeding two years or any less punishment provided by this Act, so however, that where the offence is committed by a soldier, rating or aircraftman who is not on active service or on duty, the sentence imposed on him shall not exceed imprisonment for a term of six months.
(2) For purposes of subsection (1) of this section, a person is drunk if owing to the influence of alcohol or any drug, whether alone or in combination with any other substance, he is unfit to be entrusted with his duty or with any duty which he may be called upon to perform, or behaves in a disorderly manner or in any manner likely to bring discredit to the Armed Forces.