20.—(1) Where an inspector has reasonable grounds for supposing that any sheep which are required to be dipped by or under the provisions of this Order have not been dipped, he may serve on the owner or person in charge of the sheep a notice in Form K and that person shall cause the sheep to be dipped at such place and at such time as may be specified in the notice and to the satisfaction of an inspector.
(2) Where an inspector has reasonable grounds for supposing that the dipping of sheep which are required to be dipped by or under any of the provisions of this Order has not been effectively carried out he may serve on the owner or person in charge of the sheep a notice in Form K and that person shall cause the sheep to be dipped again at such place and at such time as may be specified in the notice and to the satisfaction of an inspector.