This Order specifies powers of authorities and measures relative to the control of highly pathogenic avian influenza in wild birds. This Order provides that if the Chief Veterinary Officer advises the National Assembly of Wales that avian influenza of subtype H5N1 is present in a wild bird or a wild bird carcase, the National Assembly must, subject to a derogation, declare a wild bird control area and a wild bird monitoring area. In the declaration of a wild bird control area or a wild bird moni