Article 21 General Provisions
Where anything is required by these rules to be done not more than a specified number of days or weeks after a specified act or event, the day on which the act or event occurred shall not be counted.
The registrar of the appellate court, or the appellate court, may on an application made by the person or body concerned extend the time within which anything is required to be done by these rules, and the application may be made notwithstanding that the time has expired.
The registrar or the appellate court may exercise the power under paragraph (2) on an ex parte application or may give directions for the giving of notice thereof and for a hearing.
Any such application may be granted on such terms as the registrar or the appellate court thinks just.