A vacancy in an elected office within the town shall be determined to exist at such time as the council, by motion, finds that the incumbent:
   A.   Dies;
   B.   Resigns;
   C.   Is determined by a court having jurisdiction to be insane or mentally incompetent;
   D.   Is disqualified from holding office for any reason specified by law;
   E.   Is convicted of a crime involving moral turpitude or constituting a breach of his oath of office;
   F.   Refuses to take the oath of office;
   G.   Refuses to give or renew an official bond if required by law;
   H.   Had his election voided by a court decision; or
   I.   No longer resides within the town limits. (1993 Code § 2.04.070)