California Code, Water Code - WAT § 71992

(a) That the board deems it necessary to incur the bonded indebtedness.

(b) The revenue improvement district to be benefited by the bonded indebtedness, as set forth in the resolution of formation of the revenue improvement district, and that a map showing the exterior boundaries of the revenue improvement district is on file with the secretary, which map shall govern for all details as to the extent of the revenue improvement district.

(c) That the votes of a majority of all voters voting on the proposition are required to authorize the issuance of the revenue bond.