Article 4Specific requirements for genus and species
In accordance with the procedure referred to in Article 19(3), specific requirements for each genus or species referred to in Annex I shall be established, specifying:
the conditions with which CAC material must comply, in particular those relating to the propagation system applied, to the purity of the growing crop, plant health, and, except in the case of rootstocks, where the material does not belong to a variety, to varietal aspects;
the conditions with which pre-basic, basic and certified material must comply, relating to quality (including, for pre-basic and basic material, methods for the maintenance of the identity of the variety and, where applicable, of the clone, including the relevant pomological characteristics), plant health, the testing methods and procedures applied, the propagation system(s) applied and, except in the case of rootstocks where the material does not belong to a variety, to varietal aspects;
the conditions with which rootstocks and other parts of plants of genera or species other than those listed in Annex I, or their hybrids, must comply if propagating material of the genus or species listed in Annex I or their hybrids is grafted onto them.