Cal. Pub. Util. Code § 98147

The general manager shall provide for the custody of the funds of the district and the keeping of accounts of all receipts and disbursements. Payments shall be made only upon warrants duly and regularly signed by the chairperson or vice chairperson of the board, or other person authorized by the board to do so, and by the general manager or secretary. Alternatively, the board may request the Auditor of the County of Santa Cruz to audit, allow, and draw warrants on the district treasury for all legal claims presented to the county auditor and approved by a majority of the board, and the treasurer shall pay those warrants in the order in which they are presented.