Kan. Stat. § 32-883
Revenue bonds authorized under K.S.A. 32-876 through 32-885 shall be proper and legal investment securities for any investment funds of the state of Kansas or any department, agency or institution thereof, or any county, municipal or other public corporation or political subdivision created pursuant to the laws of the state of Kansas. Banks, trust companies and insurance companies organized under the laws of the state of Kansas and the Kansas public employees retirement system may legally and properly purchase revenue bonds issued under K.S.A. 32-876 through 32-885, and they are hereby deemed and approved as collateral security for the deposit of any and all funds and for the investment of all trust funds under the jurisdiction of the laws of the state of Kansas.
K.S.A. 32-883