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.
Code Civ. Proc. § 684.210 — under California Code Civ. Proc..
Code Civ. Proc. § 684.210
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.