261.6.
(a) In prosecutions under Section 261, 262, 286, 287, 288a, or 289, or former Section 262 or 288a, in which consent is at issue, “consent” means shall be defined to mean positive cooperation in act or attitude pursuant to an exercise of free will. The person must act freely and voluntarily and have knowledge of the nature of the act or transaction involved.(b) A current or previous dating or marital relationship is shall not be sufficient to constitute consent if where consent is at issue in a prosecution under Section 261, 262, 286, 287, or 289, or former Section 262 or 288a. 288a, or 289.
(c) Consent, as defined in subdivision (a), may be withdrawn at any point before or during the sexual contact by communicating that withdrawal. A withdrawal of consent terminates any earlier consent. In a prosecution under Section 261, 262, 286, 288a, or 289, it is immaterial at what point the consent was withdrawn so long as the withdrawal of consent was communicated.
(c) (d) This Nothing in this section shall not affect the admissibility of evidence or the burden of proof on the issue of consent.