When a referendum petition is filed with the Clerk of Council as set forth herein, the ordinance sought to be reconsidered shall be suspended from taking effect, which suspension shall terminate when:
(a) There is a final determination of the invalidity or insufficiency of the petition;
(b) The Petitioner's Committee withdraws the petition;
(c) The Council repeals the ordinance;
(d) Immediately after the Board of Elections certifies the official vote on the matter.