Cal. Gov't Code § 8547.13
(a) As used in this section:
(i) An employee shall not directly or indirectly use or attempt to use the official authority or influence of the employee for the purpose of intimidating, threatening, coercing, commanding, or attempting to intimidate, threaten, coerce, or command a person for the purpose of interfering with the right of that person to disclose to an agency official, designated for that purpose by the agency, or the State Auditor matters within the scope of this article. For the purpose of this subdivision, “use of official authority or influence” includes all of the following: