9Power to obtain information

9 Power to obtain information (1) For the purpose of ascertaining whether this Act or the regulations have been complied with or of investigating a suspected contravention, the Authority may (by written notice) require a person to— (a) give the Authority such information as the Authority requires; or (b) produce a document in the custody or control of the person. (2) A person must not, without reasonable excuse, refuse or fail to comply with a requirement under subsection (1). (3) A notice under subsection (1) directed to a natural person must inform the person that he or she may refuse or fail to give any information if giving the information would tend to incriminate him or her. Under section 153, it is an offence for a person to give information in complying or purportedly complying with this Act that the person knows to be false or misleading in a material particular.