Sec. 113.21. Oral argument

(a) Oral argument before the appeal board will be held with respect to the determination of an appeal or any application for an order in connection with an appeal if the appeal board so directs by the filing of an order.

(b) The appeal board will by filing an order give notice of the time and place of oral argument.

(c) After oral argument has been noticed, no postponement will be granted unless application therefor is filed three days prior to the date noticed for oral argument and good cause shown.

(d) The maximum time allotted for oral argument prior and with respect to the determination of an appeal will be 20 minutes for each party. The maximum time allotted for an oral argument with respect to any other application in connection with an appeal shall be set forth in the order of the appeal board directing such argument.