4.—(1) Subject to paragraph (2) below, a person who knows or has reasonable grounds for supposing that a stallion—
(a)which is in his possession or under his charge, or
(b)which he has examined or inspected,
is or may be diseased, or is or may be a carrier of the virus, shall with all practicable speed notify the fact to the Divisional Veterinary Officer.
(2) Paragraph (1) above shall not apply in respect of a stallion which has been vaccinated against the disease and which, immediately prior to vaccination, has been tested for the disease with a negative result.
(3) A person who knows or has reasonable grounds for supposing that a mare which has been served, either naturally or by artificial insemination, within the previous fourteen days—
(a)which is in his possession or under his charge, or
(b)which he has examined or inspected,
is or may be diseased, shall with all practicable speed—
(i)notify the fact to the Divisional Veterinary Officer; and
(ii)notify to the Divisional Veterinary Officer the name of the stallion used to serve the mare and the name and address of the owner of the stallion.
(4) A person who, following analysis by him of a sample of serum or semen taken from a stallion or a sample of serum taken from a mare which has been served, either narurally or by artificial insemination within the previus fourteen days, reasonably supposes that the disease exists or the stallion may be a carrier of the virus shall—
(a)with all practicable speed notify the fact to the Divisional Veterinary Officer;
(b)retain the sample analysed until its disposal is authorised in writing by a verterinary inspector; and
(c)if required in writing to do so by a veterinary inspector, surrender any samples in whatever form they are to a veterinary inspector or an officer of the Ministry acting on his behalf.
(5) This article shall not apply where the disease or virus has been deliberately introduced into a horse or sample in a laboratory.