(a) Each district shall prepare an annual expenditure plan that identifies and describes the operations and eligible projects undertaken by the district. The expenditure plan shall be, after public review and hearing, adopted by the governing body of the district and subject to review and revision at least annually.
(b) Each district shall also prepare and adopt an annual operating budget and capital improvement budget. The annual operating budget and capital improvement budget shall be, after public review and hearing, adopted by the governing body of the district and subject to review and revision at least annually.