Kommissionens direktiv 2003/90/EF [3] og 2003/91/EF [4] blev vedtaget for at sikre, at de sorter, som medlemsstaterne optager i deres nationale sortslister, er i overensstemmelse med de vejledende principper, der er fastsat af EF-Sortsmyndigheden (CPVO), for så vidt angår kendetegn, som afprøvningen mindst skal omfatte, og mindstekrav til afprøvning af sorterne, i det omfang der er fastsat sådanne vejledende principper.
Commission Directives 2003/90/EC [3] and 2003/91/EC [4] were adopted to ensure that the varieties the Member States include in their national catalogues comply with the guidelines established by the Community Plant Variety Office (CPVO) as regards the characteristics to be covered as a minimum by the examination of the various species and the minimum conditions for examining the varieties, as far as such guidelines had been established.