(1) This rule applies to an appeal or cross-appeal as of right that is restricted by any Act by reference to a specified amount or value.
(2) If an amount in issue in an appeal or cross-appeal to which this rule applies exceeds the specified amount or value, the notice of appeal or cross-appeal must include a certificate to the effect that the amount in issue exceeds the specified amount or value, signed by--(a) a legal practitioner, or(b) if an appellant or cross-appellant is not represented by a legal practitioner, by the appellant or cross-appellant.
(3) The Registrar may direct a party in an appeal or cross-appeal to which this rule applies to file and serve on each necessary party an affidavit which sets out the material facts on which the appellant or cross-appellant relies to show that the restriction does not apply.