(1) At the hearing of the application the judge may allow any person or body which appears to have a sufficient interest in the subject matter of the claim to make submissions whether or not served with the claim form.
(2) Such a person or body must make submissions by way of a written brief unless the judge orders otherwise.
(3) The judge may grant any relief that appears to be justified by the facts proved before the judge, whether or not such relief should have been sought by an application for an administrative order.
(4) The judge may, however, make such orders as to costs as appear to the judge to be just including a wasted costs order.
(5) If the judge makes any order as to costs the judge must assess them.
• Rules 65.11 and 65.12 deal with the assessment of costs.
(6) The general rule is that no order for costs may be made against an applicant for an administrative order unless the court considers that the applicant has acted unreasonably in making the application or in the conduct of the application.
• Part 64 deals with the court's general discretion as to the award of costs.