California Code, Family Code - FAM § 8715

(a) The department, county adoption agency, or licensed adoption agency, whichever is a party to, or joins in, the petition, shall submit a full report of the facts of the case to the court.

(b) If the child has been adjudged to be a dependent of the juvenile court pursuant to Section 300 of the Welfare and Institutions Code, and has thereafter been freed for adoption by the juvenile court, the report required by this section shall describe whether the requirements of subdivision (e) of Section 16002 of the Welfare and Institutions Code have been completed and what, if any, plan exists for facilitation of postadoptive contact between the child who is the subject of the adoption petition and the child's siblings and half siblings.

(c) If a petition for adoption has been filed with a postadoption contact agreement pursuant to Section 8616.5, the report shall address whether the postadoption contact agreement has been entered into voluntarily, and whether it is in the best interest of the child who is the subject of the petition.

(d) The department may also submit a report in those cases in which a county adoption agency, or licensed adoption agency is a party or joins in the adoption petition.

(e) If a petitioner is a resident of a state other than California, an updated and current home study report, conducted and approved by a licensed adoption agency or other authorized resource in the state in which the petitioner resides, shall be reviewed and endorsed by the department, county adoption agency, or licensed adoption agency, if the standards and criteria established for a home study report in the other state are substantially commensurate with the home study standards and criteria established in California adoption regulations.