12.—(1) The prohibitions in regulations 6, 7, 8 and 11 shall not apply in relation to—
(a)products produced and packaged outside the United Kingdom if the packaging indicates the country of origin and they remain in their original packaging; or
(b)products which are—
(i)produced in an establishment in the restricted area approved by the National Assembly, the Secretary of State or the Minister from pre-processed products originating outside that area which, since introduction into the United Kingdom have been transported, stored and processed separately from products not destined for dispatch; and
(ii)accompanied by a commercial document or official certificate as required by these Regulations.