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Cal. PEN § 637.3

This is the official text of Cal. PEN § 637.3, part of California’s Penal Code — defines crimes and sets criminal procedure in California.

Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.

Official statutory text

(a) No person or entity in this state shall use any system which examines or records in any manner voice prints or other voice stress patterns of another person to determine the truth or falsity of statements made by such other person without his or her express written consent given in advance of the examination or recordation.

(b) This section shall not apply to any peace officer, as defined in Section 830, while he is carrying out his official duties.

(c) Any person who has been injured by a violator of this section may bring an action against the violator for his actual damages or one thousand dollars ($1,000), whichever is greater.

Status: in_force · Read it on the official government site

About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.