4. As soon as an enforcement authority has purchased a cosmetic product, the officer effecting the purchase must—U.K.
(a)either—
(i)place a seal on the product's container or outer packaging; or
(ii)place the product in a container and immediately place a seal on that container, in such a way that the product's immediate container cannot be opened or (in the case of a product which was not in a container when it was purchased) the product cannot be touched without (in either case) the seal being broken in such a manner that it would be apparent thereafter that it had been broken, and
(b)attach to the product a label indicating—
(i)the name of the product,
(ii)the date, time and place at which the product was purchased,
(iii)the name of the officer, and
(iv)the name of the enforcement authority making the purchase.