California Code, Family Code - FAM § 7133

(a) Before a petition under this article is heard, notice the court determines is reasonable shall be given to the minor's parents or guardian, 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(b) The notice to parents shall state that if the declaration of emancipation is voided or rescinded, the parents may be liable to provide support and medical insurance coverage for the child pursuant to Chapter 2 (commencing with Section 4000) of Part 2 of Division 9 of this code and Sections 11350, 11350.1, 11475.1, and 11490 of the Welfare and Institutions Code.

(c) No liability accrues to a parent or guardian not given actual notice, as a result of voiding or rescinding the declaration of emancipation, until that parent or guardian is given actual notice.