13.—(1) A veterinary inspector must not revoke a notice declaring premises to be infected premises unless the Chief Veterinary Officer is satisfied that there is minimal risk of further infection from those premises.
(2) If not earlier revoked by a veterinary inspector, a notice declaring premises to be infected premises is revoked when the premises to which the notice relates cease to be within any zone declared under Part 6.
(3) Where a notice declaring premises to be infected premises is revoked by a veterinary inspector or by virtue of paragraph (2), the measures in the Schedule cease to have effect, except for the purposes of paragraph 1(4)(a) of that Schedule.