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)