8.—(1) Where—
(a)a third person will or may be required to meet or make a significant contribution towards the cost of observing the restriction or complying with the requirement or condition; or
(b)the enforcement action which may be or has been taken specifically relates to an appliance or record which is to be or has been supplied by a third person,
paragraphs 6 and 7 shall apply also in relation to that person.