Cal. Pub. Util. Code § 101253

At the time and place designated in the published notice, the board shall meet and consider the proposed budget. Any resident of the district may appear and be heard regarding the increase, decrease, or omission of any item in the proposed budget or for the inclusion of new items. All proposals for the increase of any item or for the inclusion of any additional items shall be submitted in writing to the general manager before the close of the public hearing.