Poland - 1997 Constitution

Title Article 214
Chapter IX - Organs of State Control and for the Defense of Rights (The National Council of radio broadcasting and television)
Article

214

(2) A member of the National Council of Radio Broadcasting and Television shall not belong to a political party, a trade union or perform public activities incompatible with the dignity of his function.

Categories - Extra-parliamentary party (Members' compatibility)
Source Gisbert H. Flanz ed. 2004. Constitutions of the Countries of the World. Dobbs Ferry, New York: Oceana Publications.