(1) If a child has participated in a pre-sentence group conference and has agreed to the pre-sentence group conference outcome plan, the Children's Court must impose on the child a sentence less severe than it would have imposed had the child not participated in a pre-sentence group conference.
(2) If the sentencing of a child is deferred under section 222 for the purpose of the child's participation in a pre-sentence group conference and the child fails to participate in the conference, the Children's Court must not impose on the child a sentence more severe than it would have imposed had the sentencing not been deferred.