Code of Civil Procedure § 684.210
ARTICLE 3. Proof of Service
If service of notice of a court hearing is required under this title, proof of service of the notice shall be made at or before the hearing to the satisfaction of the court.
ARTICLE 3. Proof of Service
If service of notice of a court hearing is required under this title, proof of service of the notice shall be made at or before the hearing to the satisfaction of the court.