TITJUR ASTI Judgment of the Court of 4 July 1991. # Association de Soutien aux Travailleurs Immigres (ASTI) v Chambre des employés privés. # Reference for a preliminary ruling: Cour de cassation - Grand Duchy of Luxemburg. # Free movement of workers - Equal treatment - Taking part in the management of bodies governed by public law and holding an office governed by public law. # Case C-213/90.