Article 3
1. Without prejudice to the provisions of Article 2, the material must, at least on visual inspection, be substantially free from any harmful organisms and diseases impairing quality, or any signs or symptoms thereof, which reduce the usefulness of the propagating material or ornamental plants and in particular be free from those organisms and diseases listed in the Annex hereto in respect of the genus or species concerned. 2. Any material showing visible signs or symptoms of the harmful organisms or diseases referred to in paragraph 1 at the stage of the growing crop shall be properly treated immediately upon appearance or, where appropriate, shall be removed. 3. In the case of citrus material the following requirements shall also be met: (i) it shall be derived from initial material which has been checked and found to show no symptoms of the relevant viruses, virus-like organisms or diseases listed in the Annex hereto; (ii) it shall have been checked and found to be substantially free of such viruses, virus-like organisms or diseases since the beginning of the last cycle of vegetation; and (iii) in the case of grafting, it shall have been grafted onto rootstocks other than those susceptible to viroids. 4. In the case of flower bulbs the following requirement shall also be met: - the propagating material shall be derived directly from material which, at the stage of the growing crop, has been checked and found to be substantially free from any harmful organisms and diseases, signs or symptoms thereof referred to in paragraph 1 and in particular from those listed in the Annex hereto.