(1) This Part:
(a) provides for the detention of people arrested for Commonwealth offences (see Division 2); and
(b) imposes obligations on investigating officials in relation to:
(i) people arrested for Commonwealth offences; and
(ii) certain other people who are being investigated for Commonwealth offences;
(see Division 3).
(2) To avoid doubt, this Part does not confer any power to arrest a person.
(3) To avoid doubt, only a person arrested for a Commonwealth offence may be detained under this Part.