Section 2903 Of Part 5. Debt Limitations From California Streets And Highways Code >> Division 4. >> Part 5.

. If the estimated or actual cost including incidental expenses of any acquisition or improvement exceeds the amounts that may be specially assessed upon benefited property, the legislative body may provide for the payment of such excess cost from any available funds under its control and the balance shall then be specially assessed in accordance with the statute under which the proceeding is conducted.