On second reading, such ordinance may be read by title only, unless a majority of Council requests a reading in full. All interested persons present shall be given an opportunity to be heard prior to the final vote. After such reading, if an amendment changes it in substance, the amended ordinance shall be read in full and all interested parties present shall again be given the opportunity to be heard. The passage on second reading of any ordinance shall be final and no further action shall be required, except the required publication.