en undersøgelse af, hvorledes der i visse andre lande føres officiel kontrol med vedligeholdelsesavl for supplerende sorter, har vist, at denne kontrol frembyder samme garanti som medlemsstaternes kontrol;
Whereas, in the case of certain countries, an examination of the conditions under which official checks on practices for the maintenance of varieties of additional species has shown that these checks afford the same guarantees as those carried out by the Member States;