Electronic 242 [ N o . 21 of 2009 and Communications Transactions (a) the information contained in the data message is accessible so as to be usable for subsequent reference; (b) the data message is in the format in which it was generated, s e n t or r e c e i v e d , o r in a f o r m a t w h i c h c a n b e demonstrated to represent accurately the information generated, sent or received; and (c) the origin and destination of that data message, and the date and time it was sent or received, can be determined. (2) The obligation to retain information referred to in subsection (1) does not extend to any information the sole purpose of which is to enable the message to be sent or received. Production of document or information 1 0 . (1) Subject to section twenty-one, where a law requires a person to produce a document or information, that requirement shall be met if the person produces, by means of a data message, an electronic form of that document or information and if— (a) considering all the relevant circumstances at the time that the data message was sent, the method of generating the electronic form of that document provided a reliable means of assuring the maintenance of the integrity of the information contained in that document; and (b) at the time the data message w a s sent, it was reasonable to expect that the information contained therein would be readily accessible so as to be usable for subsequent reference. (2) For the purposes of subsection (1), the integrity of the information contained in a document shall be maintained if the information has remained complete and unaltered, except for— (a) the addition of any endorsement; or (b) any immaterial change, which arises in the normal course of communication, storage or display. Notarisation, acknowled­ gment and certification 11. ( 1 ) W h e r e a l a w r e q u i r e s a s i g n a t u r e , s t a t e m e n t or document to be notarised, acknowledged, verified or made under oath, that requirement shall be m e t if the advanced electronic signature of the person authorised to perform those acts is attached to, incorporated in or logically associated with the data message containing such notarisation, acknowledgment or verification. (2) Where a law requires or permits a person to provide a certified copy of a document and the document exists in electronic form, that requirement shall be met if the person provides a print­ out certified to be a true reproduction of the document or information.