Cal. Gov. Code § 68802

If the State does not provide proper rooms in which to hold the court and for the accommodation of the officers of the court, together with attendants, furniture, fuel, lights, and stationery, suitable and sufficient for the transaction of business, the court, or any three justices, may direct the Clerk of the Supreme Court to provide them. The expenses thereof, certified by any three justices to be correct, shall be paid out of the State Treasury.