1 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - VETERINARY AND PUBLIC HEALTH INSPECTIONS - DOUBLE CHECK - OBLIGATION TO PRODUCE A CERTIFICATE OF THE EXPORTING MEMBER STATE ACCOMPANIED BY A FRESH VETERINARY AND PUBLIC HEALTH INSPECTION ON IMPORTATION - PROHIBITION - POSSIBILITY OF DEROGATING FROM THE SYSTEM - ABSENCE OF EFFECT ( EEC TREATY , ART . 30 ) 2 . FREE MOVEMENT OF GOODS - DEROGATIONS - ARTICLE 36 OF THE TREATY - OBJECTIVE - EXISTENCE OF HARMONIZING DIRECTIVES - INAPPLICABILITY OF ARTICLE 36 ( EEC TREATY , ART . 36 ) 3 . FREE MOVEMENT OF GOODS - DEROGATIONS - PROTECTION OF HUMAN AND ANIMAL HEATLH - CONDITIONS OF ADMISSIBILITY - VETERINARY AND PUBLIC HEALTH INSPECTIONS - DOUBLE CHECK - NEED FOR COOPERATION BETWEEN THE AUTHORITIES OF THE MEMBER STATES ( EEC TREATY , ART . 36 ) 4 . FREE MOVEMENT OF GOODS - DEROGATIONS - PROTECTION OF HUMAN AND ANIMAL HEALTH - VETERINARY AND PUBLIC HEALTH INSPECTIONS - DISCRETIONARY POWER OF THE NATIONAL AUTHORITY TO DEROGATE - CONDITIONS FOR THE EXERCISE THEREOF - REVIEW BY THE NATIONAL COURT ( EEC TREATY , ART . 36 ) 5 . FREE MOVEMENT OF GOODS - CUSTOMS DUTIES - CHARGES HAVING EQUIVALENT EFFECT - CHARGE FOR A VETERINARY AND PUBLIC HEALTH INSPECTION - PROHIBITION - ADMISSIBILITY OF INSPECTION - ABSENCE OF EFFECT ( EEC TREATY , ART . 9 )