(A) If a vacancy occurs in the office of Mayor, the following provisions shall apply:
(1) Council shall fill the vacancy within 30 days;
(2) A member of the legislative body in any city organized and governed under the mayor-council plan as provided by KRS 83A.130 shall not vote for himself; and
(3) The legislative body shall elect from among its members an individual to preside over meetings of the legislative body during any vacancy in the office of Mayor in accordance with the provisions of KRS 83A.130 through 83A.150.
(KRS 83A.040(2))
(B) When voting to fill a vacancy created by the resignation of the Mayor, the resigning Mayor shall not vote on his or her successor.
(KRS 83A.040 (3))
(C) No vacancy by reason of voluntary resignation in the office of Mayor shall occur unless a written resignation which specifies a resignation date is tendered to the legislative body. The resignation may be submitted through electronic mail if it originates from the official's electronic mail address and includes also the official's handwritten signature. The resignation shall be effective at the next regular or special meeting of the city legislative body occurring on or after the date specified in the written letter of resignation. If a resignation date is not specified, the written resignation shall be deemed to become effective at the first regular or special meeting of the legislative body occurring on or after its receipt.
(KRS 83A.040(7))
(D) If a vacancy occurs in the office of Mayor which is required by law to be filled temporarily by appointment, the City Council shall immediately notify in writing both the County Clerk and the Secretary of State of the vacancy.
(KRS 83A.040(8))
(E) If for any reason, any vacancy in the office of Mayor or the legislative body is not filled within 30 days after it occurs, the Governor shall promptly fill the vacancy by appointment of a qualified person who shall serve for the same period as if otherwise appointed.
(KRS 83A.040(6))