Wilful breach of rules

If any child detained in a certified institution is guilty of, (a) running away therefrom at any time before the expiration of his period of detention; or (b) any serious or wilful breach of the rules of the institution; or (c) inciting other inmates by his behaviour to break such rules; or (d) becoming so uncontrollable as to be a menace to the good order and discipline of the he shall be brought before a court of summary jurisdiction upon a complaint by the manager and be liable on summary conviction to have the period of his detention in the institution increased by any period not exceeding six months.