If two-thirds of the votes cast upon the measure are in favor of the issuance of the bonds, the bonds may be issued and the indebtedness incurred.
If less than two-thirds of the votes cast are in favor of the issuance of the bonds, the governing body of the city shall not within six months after the election pass any resolution which calls another election for incurring any indebtedness for sewer work or improvement within that district or in any district which has within its boundaries any of the territory of that district.