Article 8U.K.
1.The Member States shall ensure that, in addition to the measures referred to in Article 6, the competent authority establishes a protection zone and a surveillance zone. The establishment of the zones shall take account of the geographical, administrative, ecological and epziootiological factors connected with African horse sickness and of the control structures.
2.(a)The protection zone shall consist of a part of Community territory with a radius of at least 100 km around the entire infected holding.
(b)The surveillance zone shall consist of a part of Community territory extending at least 50 km beyond the protection zone, in which no systematic vaccination has been carried out in the last 12 months.
(c)Where such zones are situated on the territory of several Member States, the competent authorities of the Member States concerned shall collaborate in order to define the zones referred to in (a) and (b). However, if necessary, the protection zone and the surveillance zone shall be defined in accordance with the procedure laid down in Article 19.
3.At the duly substantiated request of a Member State a decision may be taken in accordance with the procedure laid down in Article 19, with a view to amending the demarcation of the zones defined in paragraph 2, taking into account:
their geographical situation and ecological factors,
the meteorological conditions,
the presence and distribution of the vector,
the results of the epizootiological studies carried out in accordance with Article 7,
the results of the laboratory examinations,
the application of the control measures, in particular the insect eradication measures.