California Code, Health and Safety Code - HSC § 6695

(a) Except as otherwise provided in this part, no more than sixty cents ($0.60) on each one hundred dollars ($100) assessed valuation shall be levied for all the district purposes in any one year, besides what is required for the payment of the bond principal and interest for that year.

(b) Except as otherwise provided in this part, if the board elects to use the county assessor's tax roll pursuant to Article 6 (commencing with Section 6780) of this chapter, no more than one dollar ($1) on each one hundred dollars ($100) assessed valuation shall be levied for all the district purposes in any one year, besides what is required for the payment of the bond principal and interest for that year.