8On the hearing of an application under section 300 by the official receiver or the Secretary of State, or of an application for leave by a person against whom an order has been made on the application of the official receiver or Secretary of State—
(a)the official receiver or Secretary of State shall appear and call the attention of the court to any matters which seem to him to be relevant, and may himself give evidence or call witnesses, and
(b)the person against whom the order is sought may appear and himself give evidence or call witnesses.