(1) In this section "relevant document" means a document produced in response to a requirement imposed under section 81 or 85.
(2) In a case where -
(a) the Payment Systems Regulator has power under section 81, or an investigator has power under section 85, to require a person to produce a document, but
(b) it appears that the document is in the possession of another person,
the power may be exercised in relation to that other person.
(3) Any person to whom a relevant document is produced may -
(a) take copies or extracts from the document, or
(b) require the person producing the document, or any relevant person (see subsection (4)), to provide an explanation of the document.
(4) "Relevant person", in relation to a person who is required to produce a document, means a person who -
(a) has been or is or is proposed to be a director or controller of that person,
(b) has been or is an auditor of that person,
(c) has been or is an actuary, accountant or lawyer appointed or instructed by th
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