If no objections are filed as provided herein, or if such protests have been heard and overruled, the council may adopt a resolution finding and determining that the public convenience and necessity require the improvement and that the Special Assessment Investigation, Limitation and Majority Protest Act of 1931 shall not apply. Such resolution shall be adopted by no less than four-fifths' vote of all councilmembers and shall be final and conclusive.
(Ord. 1586 §11 (part))