(1) An inspector may--(a) make copies of, or take extracts from, a document given to the inspector in accordance with 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 referred to in paragraph (a) or (b).