* NOYER SAYS BNP HASN'T VIOLATED ANY EUROPEAN SANCTIONS * NOYER SAYS BNP HASN'T VIOLATED ANY EUROPEAN SANCTIONS- NOYER ASKED ABOUT BNP CHARGES IN U.S. - Noyer Urges EU Banks to be Cautious After Change in US Rules -Noyer Declines to Comment on Whether in Contact with US Authorities on BNP Paribas