Definition Based on criminal code of Canada
Assault
265. (1) A person commits an assault when
(a) without the consent of another person, he applies force intentionally to that other person, directly or indirectly;
(b) he attempts or threatens, by an act or a gesture, to apply force to another person, if he has, or causes that other person to believe on reasonable grounds that he has, present ability to effect his purpose; or
(c) while openly wearing or carrying a weapon or an imitation thereof, he accosts or impedes another person or begs.
Application
(2) This section applies to all forms of assault, including sexual assault, sexual assault with a weapon, threats to a third party or causing bodily harm and aggravated sexual assault.
Consent
(3) For the purposes of this section, no consent is obtained where the complainant submits or does not resist by reason of
(a) the application of force to the complainant or to a person other than the complainant;
(b) threats or fear of the application of force to the complainant or to a person other than the complainant;
(c) fraud; or
(d) the exercise of authority.
Accused’s belief as to consent
(4) Where an accused alleges that he believed that the complainant consented to the conduct that is the subject-matter of the charge, a judge, if satisfied that there is sufficient evidence and that, if believed by the jury, the evidence would constitute a defence, shall instruct the jury, when reviewing all the evidence relating to the determination of the honesty of the accused’s belief, to consider the presence or absence of reasonable grounds for that belief.
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Meaning of “consent” in sexual assault cases
273.1 (1) Subject to subsection (2) and subsection 265(3), “consent” means, for the purposes of sections 271, 272 and 273, the voluntary agreement of the complainant to engage in the sexual activity in question.
Where no consent obtained
(2) No consent is obtained, for the purposes of sections 271, 272 and 273, where
(a) the agreement is expressed by the words or conduct of a person other than the complainant;
(b) the complainant is incapable of consenting to the activity;
(c) the accused induces the complainant to engage in the activity by abusing a position of trust, power or authority;
(d) the complainant expresses, by words or conduct, a lack of agreement to engage in the activity; or
(e) the complainant, having consented to engage in sexual activity, expresses, by words or conduct, a lack of agreement to continue to engage in the activity.
(3) Nothing in subsection (2) shall be construed as limiting the circumstances in which no consent is obtained.
Where belief in consent not a defence in sexual assault cases
273.2 It is not a defence to a charge under section 271, 272 or 273 that the accused believed that the complainant consented to the activity that forms the subject-matter of the charge, where
(a) the accused’s belief arose from the accused’s
(i) self-induced intoxication, or
(ii) recklessness or wilful blindness; or
(b) the accused did not take reasonable steps, in the circumstances known to the accused at the time, to ascertain that the complainant was consenting.