12. Where an authorised officer has a specific authorisation to act in the exercise of the delegated functions in relation to personal records, that officer must, in addition to producing the statement issued to that officer in accordance with regulation 6, or a copy of it, produce evidence of that specific authorisation—
(a)at the time of serving a notice under section 197(2) of the Act; or
(b)when requiring a person under section 198(6) of the Act to state, to the best of that person’s knowledge and belief, where documents are.