If a vacancy occurs on the city council, the remaining members of the council shall, by a majority of the council, do one or more of the following within thirty days from the date of the occurrence of the vacancy:
(a) 
Appoint an individual to serve the remaining unexpired term of the former incumbent;
(b) 
Appoint an individual to serve as an interim city council member. The term of an interim appointee shall be from the date of the appointment until a new member is elected to the council at a special election. If an appointment is made under this subsection, the council shall, at the same time it makes the interim appointment, call for a special election to fill the vacancy. An election held pursuant to this subsection shall be held on the next regularly established election date to be held throughout the city not less than ninety days from the call of the special election, unless such election date falls more than two hundred seventy days from the call of the special election, in which case the special election shall be held on the next regularly scheduled election date not less than ninety days from the call of the election;
(c) 
Leave the position vacant and immediately call for a special election to fill the vacancy. An election made under this subsection shall be held on the next regularly scheduled election date not less than ninety days from the call of the election.
(Ord. 1114 § 1, 1992)