(1) An inspector may—
(a) make copies of, or take extracts from, a document given to the inspector under a requirement under this Act; and
(b) keep that document for the period that the inspector considers necessary.
(2) While an inspector retains custody of a document, the inspector must permit the following persons to inspect or make copies of the document at all reasonable times—
(a) the person who produced the document;
(b) the owner of the document;
(c) a person authorised by a person mentioned in paragraph (a) or (b).