(1) Not less than 7 days before the date fixed to determine the case, the claimant must file a copy of the proceedings to which the case relates.
(2) The court may amend the case stated or order it to be returned to the person or tribunal stating the case for amendment.
(3) The court may draw inferences of fact from the facts stated in the case.
(4) A minister is entitled to be heard on any case stated by that minister.