(1) The confirmation and final action by the legislative body specified in § 7-32-124 shall be done at a single meeting of the body.
(2) It is hereby declared that the provisions of the charters of the cities in reference to the passage of ordinances shall not be applicable to the action of the bodies in levying such assessments, except that such levy or assessment shall be approved by the mayor, and in the event the mayor refuses to approve or vetoes the levies or assessments, which the mayor shall do as a whole, such levies or assessments shall be passed over the mayor's veto in like manner as ordinances or resolutions are passed over such vetoes.