Power to deal with defectives otherwise than at instance of parent or guardian

A defective subject to be dealt with under this Part otherwise than under section 19 (1) (a) of this Act may be sent to an institution or placed under supervision or guardianship, (a) under an order made by a judicial authority on a petition presented under this Part; or (b) under an order of a court, in the case of a defective found guilty of a criminal offence, punishable in the case of an adult with imprisonment, or liable to be ordered to be sent to a certified institution or an industrial school, but no such order shall be made except in the circumstances and in the manner specified by regulations.