Restrictions on the granting of authorisations or the giving of notices
9.—(1) The restriction in this article is that an individual holding an office, rank or position which is listed in column 2 of Part IV of Schedule 2 may only grant an authorisation or give a notice which satisfies the condition set out in paragraph (2).
(2) The condition referred to in paragraph (1) is that the only communications data authorised to be obtained by the authorisation, or required to be obtained or disclosed by the notice, is communications data relating to a postal service.