6.12—(1) At any stage in the proceedings under the Act the court may, of its own motion or on the application by summons of any party to the proceedings issued on two days' notice, order that the proceedings be transferred to the Court of Session or the High Court in Northern Ireland.
(2) Where an order is made under paragraph (1) the proper officer shall send a copy of the order, which shall state the grounds therefor, together with the originating summons, the documents accompanying it and any evidence, to the Court of Session or the High Court in Northern Ireland, as the case may be.
(3) Where proceedings are transferred to the Court of Session or the High Court in Northern Ireland the costs of the whole proceedings both before and after the transfer shall be at the discretion of the Court to which the proceedings are transferred.
(4) Where proceedings are transferred to the High Court from the Court of Session or the High Court in Northern Ireland the proper officer shall notify the parties of the transfer and the proceedings shall continue as if they had begun by originating summons under rule 6.2.