Is there a blank form that goes with a Proof of Service form?

A Proof of Service form varies by type of court, but it is generally a self-contained document, according to the judicial branch of California. It generally requires a notation of the type of service, the served person's name, the delivery address and the date of service.

If the person to whom the summons is addressed cannot be found, the court may need proof of due diligence to accompany proof of service, notes the judicial branch of California. There may not be a designated form for proof of due diligence. If the server cannot find the person to be served, one option may be to leave the summons at her address or to leave the summons with another person.