California · Evidence Code

EVID §664: It is presumed that official duty has been regularly performed.

What this law says, in plain English

This statute establishes a legal presumption that government officials have performed their official duties in accordance with proper procedures.

Read the full statutory text

It is presumed that official duty has been regularly performed. This presumption does not apply on an issue as to the lawfulness of an arrest if it is found or otherwise established that the arrest was made without a warrant.

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.