Article 11U.K.
1.Without prejudice to Article 16(1) of Directive 2000/29/EC, Member States shall prescribe that the suspected occurrence or confirmed presence of potato cyst nematodes in their territory resulting from a breakdown or change in the effectiveness of a resistant potato variety which relates to an exceptional change in the composition of nematode species, pathotype or virulence group shall be reported to their own responsible official bodies.
2.For all cases reported under paragraph 1, Member States shall provide that the potato cyst nematode species and, where applicable, the pathotype or virulence group involved, are investigated and confirmed by appropriate methods.
3.The details of the confirmations referred to in paragraph 2 shall be sent in writing each year by 31 December at the latest to the Commission and to the other Member States.
4.The appropriate methods referred to in paragraph 2 of this Article may be adopted in accordance with the procedure referred to in Article 17(2).