23.—(1) The Scottish Ministers may declare a vaccination zone, other than in a surveillance zone.
(2) Where a vaccination zone has been declared, any occupier of premises inside that zone must, subject to paragraph (4), ensure the vaccination of horses on their premises in accordance with that declaration.
(3) Premises partly inside and partly outside a vaccination zone are treated as being inside that zone.
(4) A veterinary inspector may serve a notice on any person in possession or charge of a horse, other than one kept in a surveillance zone, requiring that person to vaccinate the horse in accordance with the notice (whether or not a vaccination zone has been declared under paragraph (1)).