The competent authority shall without delay compile and keep an up-to-date inventory of all establishments keeping aquaculture animals of listed species located in the restricted zone, including the species, categories and the estimated number of animals in each establishment.

In the establishments located within the restricted zone, the competent authority may, on the basis of epidemiological information or other relevant evidence and after carrying out a risk assessment, implement preventive killing or, slaughtering for human consumption or, in the case of molluscs, removal from water, of aquaculture animals of listed species pursuant to Article 78(1)(a) and (2).

Any collection of samples, in establishments in the restricted zone keeping aquaculture animals of listed species, for purposes other than to confirm or rule out the presence of the relevant category A disease, shall be authorised by the competent authority.