Kan. Stat. § 13-526a
The city treasurer in cities of the first class shall, before entering upon the duties of such office, give to the city a corporate surety bond with a surety company duly qualified under the insurance laws of this state, in such form and amount as may be required by the governing body, in a sum not less than fifty thousand dollars ($50,000). Such bond shall be conditioned for the faithful discharge of the duties of the city treasurer, and that such city treasurer shall safely keep all public moneys entrusted to his or her care, and save such city free and harmless from all loss caused by neglect of duty or malfeasance in office. Such bond shall be approved by the city attorney before acceptance and filed with the city clerk. The surety required by this section may be provided for by a blanket bond.
K.S.A. 13-526a