California Code, Military and Veterans Code - MVC § 462

A witness not appearing in obedience to a subpena when served personally with a copy thereof, and not having sufficient excuse, or a witness refusing to obey any lawful order of the court, shall forfeit to the State the sum of twenty-five dollars. The president of each court, or summary court officer, shall, from time to time, report to the senior Judge Advocate on the State staff the names of all such delinquent witnesses, together with the names and places of residence of the persons serving such subpenas. A Judge Advocate may sue for and recover such penalties in the name of the people of the State.