Cal. Family Code § 7121

(a) Before the petition for a declaration of emancipation is heard, notice the court determines is reasonable shall be given to the minor’s parents, guardian, or other person entitled to the custody of the minor, or proof shall be made to the court that their addresses are unknown or that for other reasons the notice cannot be given. (b) The clerk of the court shall also notify the local child support agency of the county in which the matter is to be heard of the proceeding. If the minor is a ward of the court, notice shall be given to the probation department. If the child is a dependent child of the court, notice shall be given to the county welfare department. (c) The notice shall include a form whereby the minor’s parents, guardian, or other person entitled to the custody of the minor may give their written consent to the petitioner’s emancipation. The notice shall include a warning that a court may void or rescind the declaration of emancipation and the parents may become liable for support and medical insurance coverage pursuant to Chapter 2 (commencing with Section 4000) of Part 2 of Division 9 and Sections 17400, 17402, 17404, and 17422.