++++ 1 . CUSTOMS DUTIES - VALUE FOR CUSTOMS PURPOSES - REGULATION NO 803/68 OF THE COUNCIL - VALIDITY 2 . CUSTOMS DUTIES - VALUE FOR CUSTOMS PURPOSES - DETERMINATION - DEFERRED PAYMENT - PRICE TO BE TAKEN INTO ACCOUNT - DIFFERENT PRICE FOR FORWARD PAYMENT - PROOF - CONDITIONS - JURISDICTION OF THE NATIONAL COURT ( REGULATION NO 803/68 OF THE COUNCIL 11 ( 2 ) ( B ))