California Penal Code § 261 (2011)
§ 261. Rape; “Duress”; “Menace”
(a) Rape is an act of sexual intercourse accomplished with a person not the spouse of the perpetrator, under any of the following circumstances:
(1) Where a person is incapable, because of a mental disorder or developmental or physical disability, of giving legal consent, and this is known or reasonably should be known to the person committing the act. Notwithstanding the existence of a conservatorship pursuant to the provisions of the Lanterman-Petris-Short Act (Part 1 (commencing with Section 5000) of Division 5 of the Welfare and Institutions Code), the prosecuting attorney shall prove, as an element of the crime, that a mental disorder or developmental or physical disability rendered the alleged victim incapable of giving consent.
(2) Where it is accomplished against a person’s will by means of force, violence, duress, menace, or fear of immediate and unlawful bodily injury on the person or another.
(3) Where a person is prevented from resisting by any intoxicating or anesthetic substance, or any controlled substance, and this condition was known, or reasonably should have been known by the accused.
(4) Where a person is at the time unconscious of the nature of the act, and this is known to the accused. As used in this paragraph, “unconscious of the nature of the act” means incapable of resisting because the victim meets one of the following conditions: Continue reading