In the event valid nominating petitions are filed in accordance with Section 11.02 of this Article by candidates for any elective office of the Municipality for a full term in excess of three (3) times the number to be elected at any regular Municipal election, a non-partisan primary election for the nomination of candidates for such offices to be voted for at said regular Municipal election shall be held on the first Tuesday after the first Monday in October immediately preceding such regular Municipal election. At such primary election, the names of all candidates for office who have filed valid nominating petitions in accordance with the provisions of Section 11.02 of this Article shall be placed upon the ballot.