California Public Resources Code Section 5790

(a) Whenever a board of directors determines that it is necessary to incur a general obligation bonded indebtedness for the acquisition or improvement of real property or for funding or refunding of any outstanding indebtedness, the board of directors shall adopt a resolution making determinations and calling an election on a proposition to incur indebtedness. (b) The amount of the bonds to be issued shall not exceed the amount specified in the resolution calling the election. (c) A district shall not incur bonded indebtedness that exceeds 10 percent of the assessed value of all taxable property in the district at the time the bonds are issued.