71. Director General’s record of inquiry

The Director General shall keep a case book in which he shall record the evidence of persons summoned or otherwise present and his decision and order in each matter in issue before him and shall authenticate the same by attaching his signature thereto and the record in such case book shall be sufficient evidence of the giving of any decision; and any person interested in such decision or order shall be entitled to a copy thereof free of charge and to a copy of the record upon payment of the prescribed fee.