Cal. Sts. & High. Code § 11803

Following the establishment of a pedestrian mall pursuant to this part and annually on or before June 30th, the legislative body may prepare and approve an estimate of the expenditures required during the ensuing fiscal year for the maintenance, operation, repair and improvement of the pedestrian mall and shall deduct from such estimate the amount of revenues, if any, which the legislative body estimates will accrue to the city during such year from the operation of the pedestrian mall.