Constitution of the State of Kansas Art. 15, § 12. Membership or nonmembership in labor organizations

No person shall be denied the opportunity to obtain or retain employment because of membership or nonmembership in any labor organization, nor shall the state or any subdivision thereof, or any individual, corporation, or any kind of association enter into any agreement, written or oral, which excludes any person from employment or continuation of employment because of membership or nonmembership in any labor organization.