A person desiring to become a candidate for Mayor or for any place on the City Council shall be entitled to have his name placed on the official ballot if he files with the City Secretary, not less than forty-five (45) days nor more than seventy-five (75) days prior to the election, or as otherwise may be prescribed by the Texas Election Code, as amended, a sworn application verifying his qualifications as provided in Section 2.03 of this Charter and stating that he is a candidate for Mayor or the district number for which he is running, as the case may be.