Time 16. (1) The time for doing any act may whether it has already expired or not be extended(a) With the leave of the Panel, or (b) By the consent in writing of all parties, except where the Panel has fixed the time by order or, if the time is prescribed by these Rules, has directed that it may not be extended or further extended without leave. (2) A party in whose favour time is extended by consent under paragraph (1)(b) above shall, as soon as may be practicable after the necessary consents have been obtained, serve notice thereof on the Panel. (3) Where the last day for the doing of any act falls on a non-working day or public holiday and by reason thereof the act cannot be done on that day, it may be done on the next working day.