When establishing the rules to be laid down in the delegated and implementing acts provided for in Article 203(2), Article 204(3) and Articles 205 and 206, the Commission shall base those rules on:
the risks involved with the movements referred to in those provisions;
the health status as regards the listed diseases referred to in point (d) of Article 9(1) at the places of origin, passage and destination;
listed aquatic animal species for the listed diseases referred to in point (d) of Article 9(1);
biosecurity measures in place at the places of origin, passage and destination;
any specific conditions under which the aquaculture animals are kept;
specific movement patterns of the type of aquaculture establishment and the species or category of aquatic animals concerned;
other epidemiological factors.