Cal. Penal Code § 18110

Prior to a hearing on the issuance, renewal, or termination of an order under Chapter 3 (commencing with Section 18150) or Chapter 4 (commencing with Section 18170), the court shall ensure that a search as described in subdivision (a) of Section 6306 of the Family Code is conducted. After issuing its ruling, the court shall provide the advisement described in subdivision (c) of Section 6306 of the Family Code and shall keep information obtained from a search conducted pursuant to this section confidential in accordance with subdivision (d) of Section 6306 of the Family Code.