Cal. Health and Safety Code § 32130.5

The first board of directors of a district 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 two years from the date of borrowing with interest at a rate not to exceed 5 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 and Section 32130 during this two-year period shall not exceed 50 percent of the total amount of estimated tax revenue as estimated by the county auditor or auditors of the county or counties in which the district lies for the following fiscal year. The provisions of Section 32130 are applicable in respect to any indebtedness incurred under this section to the extent that they are consistent with this section.