The California Information Sheet for Proof of Service by Mail — Family Law is a document that serves as evidence of a person's service of process in a family law case. It is an official form filed with the court to certify that the legal documents have been delivered to the other party. The form must be completed and signed by the person who served the papers and must include the date of service, the manner of service, the name and address of the person served, a description of the documents served, and the signature of the server. There are two types of California Information Sheet for Proof of Service by Mail — Family Law: (1) the Judicial Council Form FL-335 and (2) the Local Form. The Judicial Council Form FL-335 is an official court form that must be used in all family law cases in California. The Local Form is a form specific to the court in which the case is being heard.