Cal. Water Code § 35520.17

The board may advance general funds of the district to pay all costs and expenses incurred in preparation of the plan of works and estimate of cost provided for by Section 35520.2, in the preparation of the assessment roll and report provided for by Sections 35520.7 and 35520.8, in noticing and calling the hearing required by Section 35520.10, and in calling, noticing, and holding the election provided by Section 35520.15. The advances shall be repaid to the general funds of the district with the proceeds of the call provided for in Section 35520.18 or from the proceeds of sale of the first division of bonds called for sale pursuant to Section 35520.24.