Kan. Stat. § 25-433a
If the city or county elects to conduct the election required under K.S.A. 79-2925c, and amendments thereto, using a mail ballot election, the city or county shall certify to the county clerk and the election officer for the county no later than July 1 that an election shall be necessary to approve the resolution. Upon notification from a city or county pursuant to K.S.A. 79-2925c, and amendments thereto, the election officer for the county shall set the election to be conducted in accordance with K.S.A. 25-431 et seq., and amendments thereto, on the September 15 following the notification, or if September 15 is a Sunday, the next business day. The county board of canvassers shall conduct a canvass of the election no later than the 5th day following the date of the election.
K.S.A. 25-433a