NON-CONTRACTUAL LIABILITY - DAMAGE - ASSESSMENT - DATE TO BE TAKEN INTO ACCOUNT - DAMAGE CAUSED BY THE ABOLITION OF PRODUCTION REFUNDS - PAYMENT OF THE EQUIVALENT AMOUNT ORDERED BY INTERLOCUTORY JUDGMENT - RATE FOR CONVERSION INTO NATIONAL CURRENCY - EXCHANGE RATE PREVAILING AT THE DATE OF THE INTERLOCUTORY JUDGMENT ( EEC TREATY , ART . 215 , SECOND PARA .)