The Proof of Service should be typed or printed. Provide the name and address of each person to whom you mailed the documents.Proof of Service - Acknowledgment of Service. There is a California Judicial Council form entitled, "Proof of Electronic Service," which you can use to create your Proof of Service. The Los Angeles Superior Court does not endorse the use of Google™ Translate. Other translation services may be used to view our site. Failure to make proof of service does not affect the validity of service. (2). Most of the documents are for you to print out and fill in.