(1) An application for an interim remedy must be supported by evidence on affidavit unless the court otherwise orders.
(2) Where, in support of any application under this rule, it is not practicable to produce evidence on affidavit then the application may be supported by evidence given by witness statement and, in due course, by evidence on affidavit.
(3) The court may grant an interim remedy on an application made without notice if it appears to the court that there are good reasons for not giving notice.
(4) The evidence in support of an application made without giving notice must state the reasons why notice has not been given.