5.—(1) Where the Investigator considers it necessary to do so for the purpose of investigating a complaint, it may give a notice to the approved regulator.
(2) A notice under paragraph (1) may require—
(a)the provision of information to the Investigator, at a time and place specified in the notice, being information which is within the knowledge of the approved regulator and relates to the complaint,
(b)the production or delivery of documents to the Investigator, at a time and place specified in the notice, that are within the possession or control of the approved regulator and relate to the complaint,
(c)an explanation, within such period as the notice specifies being not less than 28 days beginning with the date on which the notice was served, from the approved regulator regarding the matter to which the complaint relates.
(3) The Investigator must without delay serve on the approved regulator a notice giving particulars of the documents or information provided or produced to it and the date on which it took possession.
(4) Nothing in this regulation requires an approved regulator to produce or provide any information or document in respect of which a claim for confidentiality of communications could be maintained in legal proceedings.