(1) Subject to subsection (2), if a direction is given under section 667, 668, 669, 670 or 671 in respect of a child or young person (other than a child or young person who had been transferred to the youth justice custodial centre from a prison under section 674), on transfer to the prison, the child or young person becomes subject to the jurisdiction of the Adult Parole Board as if the period of detention served by the child or young person under each transferred sentence of detention prior to the transfer had been a non-parole period.
(2) If a direction is given under section 667, 668, 669, 670 or 671 in respect of a child or young person who was sentenced to detention in a youth justice custodial centre under section 10AA(2) of the Sentencing Act 1991 , on transfer to the prison, the child or young person becomes subject to the jurisdiction of the Adult Parole Board as if the minimum term of that order applicable under section 10AA(2) of that Act had been a non-parole period.
(3) If a direction is given under section 667, 668, 669, 670 or 671 in respect of a child or young person who was transferred from a prison to a youth justice custodial centre under section 674, the child or young person becomes, on transfer back to the prison, subject to the jurisdiction of the Adult Parole Board for the unexpired portion of the term of the sentence and that sentence is to be treated for all purposes as a sentence of imprisonment.
(4) In determining whether to release on parole a child or young person referred to in subsection (3), the Adult Parole Board may take into account the periods which the child or young person has spent in a youth justice custodial centre.
Division 3—Transfer from prison to youth justice custodial centre