21.—(1) Where, on the termination of his right of occupation of any premises, the owner of any animal on those premises is unable to remove it from those premises by reason of any restriction imposed by or under this Order, the person entitled to the occupation of those premises shall—
(a)afford the owner of that animal and any person authorised by him for the purpose, all such facilities as may be necessary for feeding, tending or otherwise using that animal (including selling it) as the owner may reasonably require; or
(b)where the owner of that animal is unable or unwilling to avail himself of such facilities, take all such steps as may be necessary to ensure that the animal is properly fed, tended and kept.
(2) The provisions of paragraph (1) shall continue to apply until the expiry of a period of 7 days from the date on which any restriction on the movement of the animal off the premises ceases to apply and the owner of the animal shall be liable to pay to the person who affords any facilities or feeds, tends or otherwise keeps that animal, in accordance with those provisions, such sums by way of remuneration and reimbursement of expenses as may be just and reasonable in all the circumstances.