Section 637.3 Of Chapter 1.5. Invasion Of Privacy From California Penal Code >> Title 15. >> Part 1. >> Chapter 1.5.
637.3
. (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.