The Osage Nation Congress shall establish a system under which the merit principle will govern the employment of persons by the Osage Nation excluding executive staff and other appointed positions serving at the will of the Office of the Principal Chief as described in Article VII, Section 14. The Congress shall include, within the merit principal system, a grievance procedure which must be exhausted before seeking review in the Trial Court. The Congress shall establish laws that define and limit nepotism in tribal government and Tribal Enterprise Board employment.