Article 5
1. The list of Member States authorised to carry out the April and August or May/June surveys in selected regions, on the understanding that these surveys cover at least 70 % of the pig population, is set out in Annex III, point (a) to this Decision. 2. The list of Member States authorised to carry out the survey once a year in April, May/June, August or November/December is set out in Annex III, point (b) to this Decision. 3. The list of Member States authorised to use the regional breakdown for the final results of the April or May/June survey is set out in Annex III, point (c) to this Decision. 4. The list of Member States authorised to use the breakdown by herd size classes for the results of a given month of the year is set out in Annex III, point (d) to this Decision.