(1) The following must be dealt with in accordance with this Act by the Youth Justice Court:
(a) all charges in respect of summary offences or indictable offences allegedly committed by a youth;
(b) all applications in the Territory relating to unlawful activity, or alleged unlawful activity, of youths, whether or not that activity took place, or is alleged to have taken place, in the Territory.
(2) The jurisdiction of the Youth Justice Court in relation to an offence allegedly committed by a youth is not affected only because the alleged offender has subsequently turned 18 years of age.
(3) Subsection (1) does not limit the jurisdiction of the Supreme Court to deal with a matter involving a youth where an ex officio indictment has been presented to that Court.