1 . QUESTIONS FOR A PRELIMINARY RULING - POWERS OF THE COURT - IDENTIFICATION OF THE SUBJECT-MATTER OF THE QUESTION ( EEC TREATY , ART . 177 ) 2.COMMUNITY LAW - PRINCIPLES - EQUALITY OF TREATMENT - DISCRIMINATION ON GROUNDS OF NATIONALITY - MOTOR VEHICLE INSURANCE RATES - VEHICLES BEARING CUSTOMS REGISTRATION PLATES - REFUSAL OF NO-CLAIMS DISCOUNT - PERMISSIBILITY ( EEC TREATY , ARTS 7 , 48 , 59 AND 65 ) 3.FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS ON EXPORTS - MEASURES HAVING EQUIVALENT EFFECT - CONCEPT - MOTOR VEHICLE INSURANCE RATES - VEHICLES BEARING CUSTOMS REGISTRATION PLATES - REFERENCE TO PARTICULAR CIRCUMSTANCES OF USE - PERMISSIBILITY ( EEC TREATY , ART . 34 )