All appeals from the commission shall be to the Supreme Court of Appeals only, aid in all appeals to which the Commonwealth is a party, it shall be represented by the Attorney General or his legally appointed representative.  No court of this Commonwealth (except the Supreme Court of Appeals, by way of appeals as herein authorized) shall have jurisdiction to review, reverse, correct or annul any action of the commission, within the scope of its authority, or to suspend or delay the execution or operation thereof, or to enjoin, restrain or interfere with the commission in the performance of its official duties, provided, however, that the writs of mandamus and prohibition shall lie from the Supreme Court of Appeals to the commission in all cases where such writs, respectively, would lie to any inferior tribunal or officer.

(e) Upon the granting of an appeal, a writ of supersedeas may be awarded by the appellate court, suspending the operation of the action appealed from until the final disposition of the appeal, but, prior to the final reversal thereof by the appellate court, no action of the commission prescribing or affecting the rates, charges or classifications of traffic of any transportation or transmission company shall be delayed, or suspended, in its operation, by reason of any appeal by such corporation, or by reason of any proceedings resulting from such appeal, until a suspending bond shall first have been executed and filed with, and approved by, the commission (or approved on review by the Supreme Court of Appeals), payable to the Commonwealth, and sufficient in amount and security to insure the prompt refunding, by the appealing corporation to the parties entitled thereto of all charges which such company may collect or receive, pending the appeal, in excess of those fixed, or authorized, by the final decision of the court on appeal.  The commission, upon the execution of such bond, shall forthwith require the appealing company, under penalty of the immediate enforcement (pending the appeal and notwithstanding any supersedeas), of the order or requirement appealed from, to keep such accounts, and to make to the commission, from time to time, such reports, verified by oath, as may, in the judgment of the commission, suffice to show the amounts being charged or received by the company pending the appeal, in excess of the charge allowed by the action of the commission appealed from, together with the names and addresses of the persons to whom such overcharges will be refundable in case the charges made by the company pending the appeal, be not sustained on such appeal, and the commission shall also, from time to time, require such company, under like penalty, to give additional security on, or to increase, the said suspending bond, whenever, in the opinion of the commission, the same may be necessary to insure the prompt refunding of the overcharges aforesaid.  Upon the final decision of such appeal, all amounts which the appealing company may have collected,