7. Where the Chief Veterinary Officer has confirmed that the disease is present on a holding a veterinary inspector–
(a)shall serve a notice on the occupier of that holding imposing any one or more of the restrictions and requirements contained in article 5, if such a notice has not already been served under that article;
(b)shall be entitled, unless an investigation into the epidemiology of the outbreak of the disease on that holding has already been completed under article 5, to carry out such an investigation; and
(c)may also by notice require the implementation of such measures as are set out in article 6.