15.—(1) Except as provided for in the foregoing provisions of this order, where an animal or contact animal comes into contact with an animal—
(a)which is being or should be detained and isolated in quarantine under the provisions of this order, or which has escaped from such detention and isolation, or
(b)which is awaiting exportation from a port or airport, or which is in the course of transit through Great Britain, under the provisions of Article 8 above, or
(c)which is on board a vessel in any harbour in Great Britain in circumstances to which Article 12 above applies, or
(d)which has been or which is suspected of having been landed in Great Britain in contravention of the provisions of this order, or of a licence granted hereunder,
the Minister may, by notice in writing served on the owner or other person appearing to him to have the control or custody of the said animal or contact animal, apply such of the provisions of this order thereto as he may consider expedient, with such modifications or variations as may be specified in the notice, and it shall be the duty of the person on whom such a notice is served to comply with the requirements thereof.
(2) A notice served under paragraph (1) above shall remain in force for such period as may be specified therein, unless withdrawn by a further notice served in like manner.