In the event of an officially confirmed outbreak of a category A disease in wild animals of listed species and in the case that the competent authority determines an infected zone in accordance with Article 63, the competent authority shall establish an operational expert group as referred to in Article 43 of Regulation (EU) 2016/429 to assist the competent authority in:

1. (a)

   assessing the epidemiological situation and its evolution;

2. (b)

   defining the infected zone;

3. (c)

   establishing the appropriate measures to be applied in the infected zone in accordance with this Chapter and their duration; and

4. (d)

   developing an eradication plan, when relevant.