CA Pub Util Code Section 101221

The board may, within a period of two years from and after the formation of the district, pursuant to a resolution adopted by it for the purpose, borrow money on certificates of indebtedness, promissory notes, or other evidences of indebtedness, in anticipation of the estimated tax revenue for the following fiscal year, to be repaid within four years from the date of borrowing with interest at a rate not to exceed 7 percent per annum, in order to enable the district to meet all of its necessary initial expenses of organization, construction, acquisition, maintenance, and operation. The total amount of money borrowed and indebtedness incurred under this section during this two-year period shall not exceed 50 percent of the total amount of estimated tax revenue as estimated by the county auditor for the following fiscal year. The form of the notes, and the proceedings relating to their issuance and sale, shall be governed by the applicable provisions contained in Article 7 (commencing with Section 53820), Chapter 4, Part 1, Division 2, Title 5 of the Government Code.