Kan. Stat. § 17-1632
Co-operative associations or corporations created under the provisions of article 16 of chapter 17 of the General Statutes of 1935, and any amendments thereto, or cooperative associations or corporations organized under similar statutes of other states and licensed to do business in the state of Kansas, are hereby empowered to enter into contracts with other cooperative associations or corporations, corporations or persons processing, handling, or selling, at wholesale or retail, the products produced by the members of such cooperative associations or corporations setting forth the minimum or maximum, or minimum and maximum resale prices at which such products may be sold by such other cooperative association or corporation, corporation or person, and to enter into contracts providing that any wholesaler purchasing, processing, handling or selling such products, upon the request of the cooperative association or corporation whose members have produced such products may refuse to sell or deliver the same to any retailer or retailers who sell or otherwise dispose of such products at prices below the resale retail prices established by such contract between such cooperative association or corporation and the wholesaler.
K.S.A. 17-1632