1.In cases of suspected occurrence, the responsible official bodies of the Member State in which these cases have been reported shall ensure completion of official or officially supervised laboratory testing, using the method set out in Annex I, and in accordance with the conditions specified in point 1 of Annex II, in order to confirm or refute the suspected occurrence. In the former case, the requirements laid down in point 2 of Annex II shall apply.
2.Pending the confirmation or refutation of the suspected occurrence under paragraph 1, in those cases of suspect occurrence where, either:
suspect diagnostic visual symptoms of the disease have been seen; or,
a positive immunofluorescence test as specified in Annex I or other appropriate positive test has been identified,
the responsible official bodies of the Member States shall:
(a)prohibit the movement of all lots or consignments from which the samples have been taken, except under their control and provided that it has been established that there is no identifiable risk of the organism spreading;
(b)take steps to trace the origin of the suspected occurrence;
(c)introduce appropriate additional precautionary measures based on the level of estimated risk, in order to prevent any spread of the organism. These measures may include the official control of the movement of all other tubers or plants within or off premises associated with the suspected occurrence.
3.The following provision may be adopted in accordance with the procedure laid down in Article 16a of Directive 77/93/EEC:
the measures referred to in paragraph 2 (c) above.
4.The following provision shall be adopted in accordance with the procedure laid down in Article 16a of Directive 77/93/EEC:
the other appropriate test provided for in paragraph 2 (ii) above;