1 . COMMON CUSTOMS TARIFF - VALUE FOR CUSTOMS PURPOSES - NORMAL PRICE OF GOODS - DETERMINATION - DEDUCTION OF TRANSPORT COSTS WITHIN THE COMMUNITY - EXCEPTION - UNIFORM FREE DOMICILE PRICE - CONCEPT - PRICE NOT UNIFORM ( REGULATION ( EEC ) NO 803/68 OF THE COUNCIL , ART . 8 ( 2 ), FIRST SENTENCE ) 2 . COMMON CUSTOMS TARIFF - VALUE FOR CUSTOMS PURPOSES - NORMAL PRICE OF GOODS - DETERMINATION - DEDUCTION OF TRANSPORT COSTS WITHIN THE COMMUNITY - EXCEPTION - UNIFORM FREE DOMICILE PRICE - LIMITS OF THE EXCEPTION - FREE-FRONTIER PRICE LOWER THAN UNIFORM FREE DOMICILE PRICE - PROCEDURES FOR PRODUCTION OF EVIDENCE - DUTY OF THE NATIONAL COURTS ( REGULATION ( EEC ) NO 803/68 OF THE COUNCIL , ART . 8 ( 2 ), SECOND SENTENCE )