55.—(1) On confirmation by the Chief Veterinary Officer of low pathogenic avian influenza on premises other than regulated places in Wales, the National Assembly must (subject to paragraph (4)), declare a low pathogenic avian influenza restricted zone.
(2) On confirmation by the Chief Veterinary Officer of low pathogenic avian influenza in an area of England which is 1 kilometre or less from Wales, the National Assembly must declare a low pathogenic avian influenza restricted zone in Wales.
(3) The National Assembly may declare a low pathogenic avian influenza restricted zone on confirmation by the Chief Veterinary Officer of low pathogenic avian influenza in an area of Scotland or England which is more than 1 kilometre from Wales.
(4) The National Assembly may, on the basis of a risk assessment, decide not to declare a low pathogenic avian influenza restricted zone if the premises where low pathogenic is confirmed are—
(a)a hatchery; or
(b)special category premises.