# The Postal Packets (Customs and Excise) Regulations 1986, Regulation 9


(1) Without prejudice to the application of Regulations 7(1)(b), (3) and (4), and 8(1)(b), (3) and (4) of these Regulations to any printed packet contained in it, every mail bag containing printed packets containing or consisting of goods which are dutiable in the country of destination, brought by post into the United Kingdom or posted in the United Kingdom for transmission to any place outside it under the provisions of paragraph 30 of the Post Office Overseas Letter Post Scheme 1982 shall have affixed to the bag label a green label in the prescribed form.
(2) Regulations 7 and 8 of these Regulations and paragraph (1) of this Regulation shall not apply to a postal packet or mail bag which, having been posted in the Isle of Man, is brought by post to the United Kingdom for delivery there, or which is posted in the United Kingdom for delivery in the Isle of Man, or which is posted in a place situated outside the United Kingdom and the Isle of Man for delivery in another place so situated.

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Source: https://www.legislation.gov.uk/uksi/1986/260/regulation/9 (the official version)
Page: https://openlegislation.uk/postal-packets-customs-and-excise-regulations-1986/regulation-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.