Cal. Code Civ. Proc. § 1985.4
The procedures set forth in Section 1985.3 are applicable to a subpoena duces tecum for records containing "personal information," as defined in Section 1798.3 of the Civil Code that are otherwise exempt from public disclosure under a provision listed in Section 7920.505 of the Government Code that are maintained by a state or local agency as defined in Section 7920.510 or 7920.540 of the Government Code. For the purposes of this section, "witness" means a state or local agency as defined in Section 7920.510 or 7920.540 of the Government Code and "consumer" means any employee of any state or local agency as defined in Section 7920.510 or 7920.540 of the Government Code, or any other natural person. Nothing in this section shall pertain to personnel records as defined in Section 832.8 of the Penal Code.
Ca. Civ. Proc. Code § 1985.4