The reduction to be taken into consideration for the calculation of the compensation referred to in Article 1 of Regulation (EEC) No 1637/91 shall be equal to the difference between reference quantity available before 15 June 1991 and the reference quantity available at the end of the eighth twelve month period, less transfers of reference quantities referred to in Article 7 of Council Regulation (EEC) No 857/84 (1), as last amended by Regulation (EEC) No 1639/91 (2), or which have comparable legal effects, carried out from the eighth period, or, where the Member State so chooses from the date on which the producer is notified of the reduction of his reference quantity.
The amount of compensation shall be converted into national currency using the agricultural conversion rate in force on 17 June 1991.