(cf Crimes Act 1900 , s 354)
The objects of this Part are:
(a) to provide for the period of time that a person who is under arrest may be detained by a police officer to enable the investigation of the person's involvement in the commission of an offence, and
(b) to authorise the detention of a person who is under arrest for such a period despite any requirement imposed by law to bring the person before a Magistrate or other authorised officer or court without delay or within a specified period, and
(c) to provide for the rights of a person so detained, and
(d) to provide for the rights of a suspect who is in the company of a police officer in connection with an investigative procedure but who is not so detained.