California Proof of Service — Nonminor is a type of legal document that is used to prove that notice of a legal action or document was served upon a person or entity. It can be used to serve a summons, complaint, or other legal document. There are two types of California Proof of Service — Nonminor: personal delivery and mail delivery. Personal delivery requires the document to be served in person by an adult, not a minor. Mail delivery requires the document to be sent by first-class mail, and the signature of the person being served must be returned on the proof of service. California Proof of Service — Nonminor must be signed by the person who served the document and must include the date and time of service, the name of the person or entity served, the address where the document was served, and the method of service.