Cal. Penal Code § 629.51
(a) For the purposes of this chapter, the following terms have the following meanings:
(2) “Electronic communication” means any transfer of signs, signals, writings, images, sounds, data, or intelligence of any nature in whole or in part by a wire, radio, electromagnetic, photoelectric, or photo-optical system, but does not include any of the following:
(5)
(A) “Prohibited violation” means any violation of law that creates liability for, or arising out of, either of the following: