CA Food & Agric Code Section 8604

(a)

The board shall, on or before the first Monday in July of each year, file with the board of supervisors the final budget which sets forth all estimated expenditures of the district for the fiscal year commencing on the first day of July. A copy of the budget shall also at the same time be filed with the auditor of the county.

(b)

The board of supervisors shall annually, at the time of levying other county taxes, levy an assessment upon all the citrus trees planted or growing in the district, regardless of age, as assessed by the assessor pursuant to this part. The rate shall be such as will produce, after due allowance for delinquency, the amount determined as necessary to be raised on the secured roll. If a fraction of a cent occurs on a valuation of one hundred dollars ($100), it shall be taken as a full cent.