SDCL § 9-9-6: Mayor or commissioner--Resignation--Effect of moving residence--Filling of vacancy--Temporary absence or incapacity.

If the mayor or a commissioner resigns, the resignation must be submitted in writing to the board of commissioners and must specify the effective date of the resignation.

If the mayor or a commissioner moves to a permanent residence outside the corporate limits of the municipality, the office is immediately vacated.

If there is a vacancy in the office of mayor, the vacancy must be filled by appointment pursuant to § 9-9-8 until the position is filled by election at the next annual municipal election or by special election as provided in § 9-13-14.2. A vacancy on the board must be filled as provided in § 9-13-14.1 or 9-13-14.2.

A temporary absence or temporary incapacitation of the mayor is not considered a vacancy in the office of the mayor.