1 . FREE MOVEMENT OF GOODS - DEROGATION - PROTECTION OF THE HEALTH OF HUMANS - PHARMACEUTICAL PRODUCTS - PARALLEL IMPORTS - INSPECTIONS - LAWFULNESS - CONDITIONS ( EEC TREATY , ART . 36 ) 2 . FREE MOVEMENT OF GOODS - DEROGATION - MONITORING PROCEDURE JUSTIFIED WITHIN THE MEANING OF ARTICLE 36 OF THE TREATY - CHARGING OF FEES - NOT PERMISSIBLE ( EEC TREATY , ART . 36 ) 3 . FREE MOVEMENT OF GOODS - CUSTOMS DUTIES - CHARGES HAVING EQUIVALENT EFFECT - REGISTRATION FEES PAYABLE BY PARALLEL IMPORTERS OF PHARMACEUTICAL PRODUCTS - CLASSIFICATION ( EEC TREATY , ARTS 9 , 12 AND 13 ) 4 . TAXATION PROVISIONS - INTERNAL TAXATION - DISCRIMINATORY TAXATION - CLASSIFICATION OF A CHARGE HAVING EQUIVALENT EFFECT - CRITERIA ( EEC TREATY , ARTS 9 , 12 , 13 AND 95 ) 5 . TAXATION PROVISIONS - INTERNAL TAXATION - DISCRIMINATION - UNEQUAL INCIDENCE OF A TAX ON THE COSTS OF UNDERTAKINGS BY REASON OF PARTICULAR FEATURES OF THEIR ECONOMIC STRUCTURE - IRRELEVANT ( EEC TREATY , ART . 95 )