California · Evidence Code

EVID §790: Evidence of the good character of a witness is inadmissible to support his credibility unless evidence of his bad character has been admitted for the purpose of attacking his credibility.

Civil

What this law says, in plain English

Evidence of a witness's good character cannot be used to support their credibility unless the opposing side has introduced evidence of their bad character to attack it.

Read the full statutory text
Evidence of the good character of a witness is inadmissible to support his credibility unless evidence of his bad character has been admitted for the purpose of attacking his credibility.

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.