'1. For the purposes of this Directive, the ecu shall be that defined in Regulation (EEC) No 3180/78 (*), as amended by Regulation (EEC) No 2626/84 (**), and by Regulation (EEC) No 1971/89 (***). The equivalent in national currency shall be that applying on 8 November 1990. (*) OJ No L 379, 30. 12. 1978, p. 1. (**) OJ No L 247, 16. 9. 1984, p. 1. (***) OJ No L 189, 4. 7. 1989, p. 1.'