Division 2 The intensity and frequency of the surveillance referred to in point 1 of Section 1 must be duly adapted to:

the health status of neighbouring Member States, zones or third countries in accordance with point 3 of Section 4 of Chapter 1;

the introduction of animals from the targeted animal population that may have jeopardised the health status of the Member State or zone, in accordance with point 6 of Section 4 of Chapter 1.