Change of commencement date of period for filing evidence
78.  Where the period within which any party to any proceedings before the Registrar may file evidence under these Rules is to begin upon the expiry of any period in which any other party may file evidence and that other party notifies the Registrar that he does not wish to file any, or any further, evidence, the Registrar may direct that the period within which the first-mentioned party may file evidence shall begin on such date as may be specified in the direction, and the Registrar shall notify all parties to the dispute of that date.