CHAPTER 1. Evidence of Character, Habit, or Custom [1100. - 1109.]

Cal. Evidence Code - EVID 1.

in effect

Cal. Evidence Code - EVID § 1100. Section 1100.

Except as otherwise provided by statute, any otherwise admissible evidence (including evidence in the form of an opinion, evidence of reputation, and evidence of specific instances of such person’s conduct) is admissible to prove a person’s character or a trait of his character.

Cal. Evidence Code - EVID § 1101. Section 1101.

(a) Except as provided in this section and in Sections 1102, 1103, 1108, and 1109, evidence of a person’s character or a trait of his or her character (whether in the form of an opinion, evidence of reputation, or evidence of specific instances of his or her conduct) is inadmissible when offered to prove his or her conduct on a specified occasion. (b) Nothing in this section prohibits the admission of evidence that a person committed a crime, civil wrong, or other act when relevant to prove some fact (such as motive, opportunity, intent, preparation, plan, knowledge, identity, absence of mistake or accident, or whether a defendant in a prosecution for an unlawful sexual act or attempted unlawful sexual act did not reasonably and in good faith believe that the victim consented) other than his or her disposition to commit such an act. (c) Nothing in this section affects the admissibility of evidence offered to support or attack the credibility of a witness.

Cal. Evidence Code - EVID § 1102. Section 1102.

In a criminal action, evidence of the defendant’s character or a trait of his character in the form of an opinion or evidence of his reputation is not made inadmissible by Section 1101 if such evidence is: (a) Offered by the defendant to prove his conduct in conformity with such character or trait of character. (b) Offered by the prosecution to rebut evidence adduced by the defendant under subdivision (a).

Cal. Evidence Code - EVID § 1103. Section 1103.

(a) In a criminal action, evidence of the character or a trait of character (in the form of an opinion, evidence of reputation, or evidence of specific instances of conduct) of the victim of the crime for which the defendant is being prosecuted is not made inadmissible by Section 1101 if the evidence is: (1) Offered by the defendant to prove conduct of the victim in conformity with the character or trait of character. (2) Offered by the prosecution to rebut evidence adduced by the defendant under paragraph (1). (b) In a criminal action, evidence of the defendant’s character for violence or trait of character for violence (in the form of an opinion, evidence of reputation, or evidence of specific instances of conduct) is not made inadmissible by Section 1101 if the evidence is offered by the prosecution to prove conduct of the defendant in conformity with the character or trait of character and is offered after evidence that the victim had a character for violence or a trait of character tending to show violence has been adduced by the defendant under paragraph (1) of subdivision (a). (c) (1) Notwithstanding any other provision of this code to the contrary, and except as provided in this subdivision, in any prosecution under Section 261 or 264.1 of the Penal Code, or under Section 286, 287, or 289 of, or former Section 262 or 288a of, the Penal Code, or for assault with intent to commit, attempt to commit, or conspiracy to commit a crime defined in any of those sections, except where the crime is alleged to have occurred in a local detention facility, as defined in Section 6031.4, or in a state prison, as defined in Section 4504, opinion evidence, reputation evidence, and evidence of specific instances of the complaining witness’ sexual conduct, or any of that evidence, is not admissible by the defendant in order to prove consent by the complaining witness. (2) Notwithstanding paragraph (3), evidence of the manner in which the victim was dressed at the time of the commission of the offense is not admissible when offered by either party on the issue of consent in any prosecution for an offense specified in paragraph (1). For the purposes of this paragraph, “manner of dress” does not include the condition of the victim’s clothing before, during, or after the commission of the offense. (3) Paragraph (1) does not apply to evidence of the complaining witness’ sexual conduct with the defendant. (4) If the prosecutor introduces evidence, including testimony of a witness, or the complaining witness as a witness gives testimony, and that evidence or testimony relates to the complaining witness’ sexual conduct, the defendant may cross-examine the witness who gives the testimony and offer relevant evidence limited specifically to the rebuttal of the evidence introduced by the prosecutor or given by the complaining witness. (5) This subdivision does not make inadmissible any evidence offered to attack the credibility of the complaining witness as provided in Section 782. (6) As used in this subdivision, “complaining witness” means the alleged victim of the crime charged, the prosecution of which is subject to this subdivision.

Cal. Evidence Code - EVID § 1104. Section 1104.

Except as provided in Sections 1102 and 1103, evidence of a trait of a person’s character with respect to care or skill is inadmissible to prove the quality of his conduct on a specified occasion.

Cal. Evidence Code - EVID § 1105. Section 1105.

Any otherwise admissible evidence of habit or custom is admissible to prove conduct on a specified occasion in conformity with the habit or custom.

Cal. Evidence Code - EVID § 1106. Section 1106.

(a) In any civil action alleging conduct which constitutes sexual harassment, sexual assault, or sexual battery, opinion evidence, reputation evidence, and evidence of specific instances of the plaintiff’s sexual conduct, or any of that evidence, is not admissible by the defendant in order to: (1) Prove consent by the plaintiff. (2) Prove absence of injury suffered by the plaintiff, unless the injury alleged by the plaintiff is in the nature of loss of consortium. (3) Attack the credibility of the plaintiff’s testimony on consent or the absence of injury suffered by the plaintiff. (b) Subdivision (a) does not apply to evidence of the plaintiff’s sexual conduct with the alleged perpetrator. (c) Notwithstanding subdivision (b), in any civil action brought pursuant to Section 1708.5 of the Civil Code involving a minor and an adult as described in Section 1708.5.5 of the Civil Code, evidence of the plaintiff minor’s sexual conduct with the defendant adult shall not be admissible to prove consent by the plaintiff or the absence of injury to the plaintiff. (d) If the plaintiff introduces evidence, including testimony of a witness, or the plaintiff as a witness gives testimony, and the evidence or testimony relates to the plaintiff’s sexual conduct, the defendant may cross-examine the witness who gives the testimony and offer relevant evidence limited specifically to the rebuttal of the evidence introduced by the plaintiff or given by the plaintiff. (e) This section shall not be construed to make inadmissible any evidence offered to attack the credibility of the plaintiff’s testimony as to something other than consent or absence of injury as provided in Section 783.

Cal. Evidence Code - EVID § 1107. Section 1107.

(a) In a criminal action, expert testimony is admissible by either the prosecution or the defense regarding intimate partner battering and its effects, including the nature and effect of physical, emotional, or mental abuse on the beliefs, perceptions, or behavior of victims of domestic violence, except when offered against a criminal defendant to prove the occurrence of the act or acts of abuse which form the basis of the criminal charge. (b) The foundation shall be sufficient for admission of this expert testimony if the proponent of the evidence establishes its relevancy and the proper qualifications of the expert witness. Expert opinion testimony on intimate partner battering and its effects shall not be considered a new scientific technique whose reliability is unproven. (c) For purposes of this section, “abuse” is defined in Section 6203 of the Family Code, and “domestic violence” is defined in Section 6211 of the Family Code and may include acts defined in Section 242, subdivision (e) of Section 243, Section 261, 273.5, 273.6, 422, or 653m of, or former Section 262 of, the Penal Code. (d) This section is intended as a rule of evidence only and no substantive change affecting the Penal Code is intended. (e) This section shall be known, and may be cited, as the Expert Witness Testimony on Intimate Partner Battering and Its Effects Section of the Evidence Code. (f) The changes in this section that become effective on January 1, 2005, are not intended to impact any existing decisional law regarding this section, and that decisional law should apply equally to this section as it refers to “intimate partner battering and its effects” in place of “battered women’s syndrome.”

Cal. Evidence Code - EVID § 1107.5. Section 1107.5.

(a) In a criminal action, expert testimony is admissible by either the prosecution or the defense regarding the effects of human trafficking on human trafficking victims, including the nature and effect of physical, emotional, or mental abuse on the beliefs, perceptions, or behavior of human trafficking victims. (b) The foundation shall be sufficient for admission of this expert testimony if the proponent of the evidence establishes its relevancy and the proper qualifications of the expert witness. (c) For purposes of this section, “human trafficking victim” is defined as a victim of an offense described in Section 236.1 of the Penal Code. (d) This section is intended as a rule of evidence only and no substantive change affecting the Penal Code is intended.

Cal. Evidence Code - EVID § 1108. Section 1108.

(a) In a criminal action in which the defendant is accused of a sexual offense, evidence of the defendant’s commission of another sexual offense or offenses is not made inadmissible by Section 1101, if the evidence is not inadmissible pursuant to Section 352. (b) In an action in which evidence is to be offered under this section, the people shall disclose the evidence to the defendant, including statements of witnesses or a summary of the substance of any testimony that is expected to be offered in compliance with the requirements of Section 1054.7 of the Penal Code. (c) This section does not limit the admission or consideration of evidence under any other section of this code. (d) As used in this section, the following definitions shall apply: (1) “Sexual offense” means a crime under the law of a state or of the United States that involved any of the following: (A) Any conduct proscribed by subdivision (b) or (c) of Section 236.1, Section 243.4, 261, 261.5, 262, 264.1, 266c, 269, 286, 287, 288, 288.2, 288.5, or 289, or subdivision (b), (c), or (d) of Section 311.2 or Section 311.3, 311.4, 311.10, 311.11, 314, or 647.6 of, or former Section 288a of, the Penal Code. (B) Any conduct proscribed by Section 220 of the Penal Code, except assault with intent to commit mayhem. (C) Contact, without consent, between any part of the defendant’s body or an object and the genitals or anus of another person. (D) Contact, without consent, between the genitals or anus of the defendant and any part of another person’s body. (E) Deriving sexual pleasure or gratification from the infliction of death, bodily injury, or physical pain on another person. (F) An attempt or conspiracy to engage in conduct described in this paragraph. (2) “Consent” shall have the same meaning as provided in Section 261.6 of the Penal Code, except that it does not include consent which is legally ineffective because of the age, mental disorder, or developmental or physical disability of the victim.

Cal. Evidence Code - EVID § 1109. Section 1109.

(a) (1) Except as provided in subdivision (e) or (f), in a criminal action in which the defendant is accused of an offense involving domestic violence, evidence of the defendant’s commission of other domestic violence is not made inadmissible by Section 1101 if the evidence is not inadmissible pursuant to Section 352. (2) Except as provided in subdivision (e) or (f), in a criminal action in which the defendant is accused of an offense involving abuse of an elder or dependent person, evidence of the defendant’s commission of other abuse of an elder or dependent person is not made inadmissible by Section 1101 if the evidence is not inadmissible pursuant to Section 352. (3) Except as provided in subdivision (e) or (f) and subject to a hearing conducted pursuant to Section 352, which shall include consideration of any corroboration and remoteness in time, in a criminal action in which the defendant is accused of an offense involving child abuse, evidence of the defendant’s commission of child abuse is not made inadmissible by Section 1101 if the evidence is not inadmissible pursuant to Section 352. Nothing in this paragraph prohibits or limits the admission of evidence pursuant to subdivision (b) of Section 1101. (b) In an action in which evidence is to be offered under this section, the people shall disclose the evidence to the defendant, including statements of witnesses or a summary of the substance of any testimony that is expected to be offered, in compliance with the provisions of Section 1054.7 of the Penal Code. (c) This section shall not be construed to limit or preclude the admission or consideration of evidence under any other statute or case law. (d) As used in this section: (1) “Abuse of an elder or dependent person” means physical or sexual abuse, neglect, financial abuse, abandonment, isolation, abduction, or other treatment that results in physical harm, pain, or mental suffering, the deprivation of care by a caregiver, or other deprivation by a custodian or provider of goods or services that are necessary to avoid physical harm or mental suffering. (2) “Child abuse” means an act proscribed by Section 273d of the Penal Code. (3) “Domestic violence” has the meaning set forth in Section 13700 of the Penal Code. Subject to a hearing conducted pursuant to Section 352, which shall include consideration of any corroboration and remoteness in time, “domestic violence” has the further meaning as set forth in Section 6211 of the Family Code, if the act occurred no more than five years before the charged offense. (e) Evidence of acts occurring more than 10 years before the charged offense is inadmissible under this section, unless the court determines that the admission of this evidence is in the interest of justice. (f) Evidence of the findings and determinations of administrative agencies regulating the conduct of health facilities licensed under Section 1250 of the Health and Safety Code is inadmissible under this section.

Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026