If any of the following apply to a child in respect of whom sentencing has been deferred under section 222, the Children's Court may re-list the case at short notice on its own motion—
(a) the child is found guilty of an offence during the period of deferral;
(b) a pre-sentence group conference ordered under section 223 does not proceed;
(c) a youth justice planning meeting ordered under section 223 does not proceed.