California · Penal Code

PEN §1127g: In any criminal trial or proceeding in which a person with a developmental disability, or cognitive, mental, or communication impairment testifies as a witness, upon the request of a party, the court

Civil

What this law says, in plain English

This statute requires courts to instruct juries on how to evaluate testimony from witnesses with developmental or cognitive disabilities, instructing jurors not to discount credibility based solely on disability status.

Read the full statutory text

In any criminal trial or proceeding in which a person with a developmental disability, or cognitive, mental, or communication impairment testifies as a witness, upon the request of a party, the court shall instruct the jury, as follows: In evaluating the testimony of a person with a developmental disability, or cognitive, mental, or communication impairment, you should consider all of the factors surrounding the person’s testimony, including their level of cognitive development. Although, because of his or her level of cognitive development, a person with a developmental disability, or cognitive, mental, or communication impairment may perform differently as a witness, that does not mean that a person with a developmental disability, or cognitive, mental, or communication impairment is any more or less credible a witness than another witness. You should not discount or distrust the testimony of a person with a developmental disability, or cognitive, mental, or communication impairment solely because he or she is a person with a developmental disability, or cognitive, mental, or communication impairment.

Verify at the official source: California legislative text

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This page is legal information, not legal advice. Code text is sourced from official publications and may lag amendments — always confirm at the official source linked above. Plain-English summaries and relationship data are AI-derived and reviewed on an ongoing basis; verify with a licensed attorney before acting.