5.—(1) Any sampling by a previous keeper for the purposes of compliance with the obligations of a keeper under this Order may, if the current keeper so elects, be relied upon by the current keeper for the purposes of determining compliance by the current keeper with the obligations in this Order.
(2) Any obligation under this Order on a keeper to take a sample may, if the keeper so elects, be fulfilled by the keeper arranging for another person to take the sample on the keeper’s behalf.
(3) Any obligation under this Order on a keeper to submit a sample may, if the keeper so elects, be fulfilled by the keeper arranging for another person to submit the sample on the keeper’s behalf.