407. Forfeiture of Office by the Executive

   An Executive shall immediately forfeit office and the office shall be deemed vacant upon:

      (1)   the Executive ceasing to be a citizen of the United States or a registered voter of the County;

      (2)   the Executive being convicted of or pleading guilty to a felony or a crime involving moral turpitude;

      (3)   the Executive being granted probation before judgment for a felony or a crime involving moral turpitude; or

      (4)   acceptance by a court of a plea of nolo contendere for a felony or a crime involving moral turpitude.