This Charter shall be submitted to the electors of the Municipality at the special election to be held October 25, 1966, and if approved by the electors shall for the purpose of nominating and electing officers of this Municipality and conducting municipal elections, take effect from the time of its approval by the electors of the Municipality; and for all other purposes it shall take effect on the first day of January in the year nineteen hundred sixty-eight, except that the provisions relative to civil service shall take effect as provided in Section 13.01 of Article XIII of this Charter.