When a referendum petition is filed with the Clerk of Council, the ordinance or resolution sought to be reconsidered shall be suspended from taking effect. Such suspension shall terminate when:
(a) There is a final determination of insufficiency of the petition, or
(b) The petitioners' committee withdraws the petition, or
(c) The Council repeals the ordinance, or
(d) Five days have elapsed after the Board of Elections certifies the official vote on the question.