1. In every case in which the ¹[President], has power under any Act or Regulation to appoint a Judge of any Court,such power shall be taken to include the power to appoint any person capable of being appointed a permanent Judge of such Court, to act as Judge of the same Court for such time as the ²[President], shall direct. Every person so appointed to act temporarily as a Judge of any such Court shall have the powers and perform the duties which he would have had and been liable to perform in case he had been duly appointed a permanent Judge of the same Court.