New: a trial court in 1 of every 10 U.S. counties. Read the post
Court Rules

California Rules of Court

Rule 5.66. Proof of service

Cal. Rules of Court, rule 5.66

Current text effective January 1, 2017.

#(a) Requirements to file proof of service

Parties must file with the court a completed form to prove that the other party received the petition or complaint or response to petition or complaint.

#

(Subd (a) amended and lettered effective January 1, 2017; adopted as unlettered subd.)

#(b) Methods of proof of service

#(1) The proof of service of summons may be on a form approved by the Judicial Council or a document or pleading containing the same information required in Proof of Service of Summons (form FL-115).

#(2) The proof of service of response to petition or complaint may be on a form approved by the Judicial Council or a document or pleading containing the same information required in Proof of Service by Mail (form FL-335), Proof of Personal Service (form FL-330), or Proof of Electronic Service (form POS-050/EFS-050).

#

(Subd (b) amended and lettered effective January 1, 2017; adopted as unlettered subd.)

#History

Rule 5.66 amended effective January 1, 2017; adopted effective January 1, 2013.

#History

Title 5, Family and Juvenile Rules-Division 1, Family Rules-Chapter 4, Starting and Responding to a Family Law Case; Service of Papers-Article 4, Manner of Service; adopted January 1, 2013.

What this rule requires

Service and Proof of Service Rules

  • Parties must file with the court a completed form to prove that the other party received the petition or complaint or response to petition or complaint.

Document Filing Requirements

  • The proof of service of summons may be on a form approved by the Judicial Council or a document or pleading containing the same information required in Proof of Service of Summons (form FL-115).

  • The proof of service of response to petition or complaint may be on a form approved by the Judicial Council or a document or pleading containing the same information required in Proof of Service by Mail (form FL-335), Proof of Personal Service (form FL-330), or Proof of Electronic Service (form POS-050/EFS-050).

Official text: courts.ca.gov , checked October 19, 2026.