Committing child or young person to place of detention

Where a child or young person is convicted of an offence punishable, in the case of an adult, with imprisonment, or would, if he were an adult, be liable to be imprisoned in default of payment of any fine, damage or costs, and the court considers that none of the other methods in which the case may legally be dealt with is suitable, the court may order that he be committed to custody in a place of detention for a period not exceeding six months. etc.