California Code, Family Code - FAM § 8720

(a) If the department, county adoption agency, or licensed adoption agency finds that the home of the petitioners is not suitable for the child or that the required agency consents are not available and the department, county adoption agency, or licensed adoption agency recommends that the petition be denied, or if the petitioners desire to withdraw the petition and the department, county adoption agency, or licensed adoption agency recommends that the petition be denied, the clerk upon receipt of the report of the department, county adoption agency, or licensed adoption agency shall immediately refer it to the court for review.

(b) Upon receipt of the report, the court shall set a date for a hearing of the petition and shall give reasonable notice of the hearing to the department, county adoption agency, or licensed adoption agency, the petitioners, and, if necessary, the birth parents, by certified mail, return receipt requested, to the address of each as shown in the proceeding.

(c) The department, county adoption agency, or licensed adoption agency shall appear to represent the child.