<diacritize> However , on June 23 , 2000 , the Conseil dEtat , Frances highest administrative court , rendered a landmark decision that confirmed the prevailing opinion of 31 lower courts in over 1,100 cases . <yor>However , on June 23 , 2000 , the Conseil dÉtat , Frances highest administrative court , rendered a landmark decision that confirmed the prevailing opinion of 31 lower courts in over 1,100 cases . 