Immediately thereupon the Chief Justice or, in his absence or inability to act, the senior associate justice shall direct the clerk of the Supreme Court to furnish each of the circuit judges, as well as the Chief Justice and senior associate justice, with a certified copy of such order which shall be sufficient notice to the circuit judges of their assignments aforesaid, and they shall proceed to hold the courts in the circuits to which they are respectively assigned at the time appointed by law for the several circuit courts to be held. The clerk of the Supreme Court shall also forthwith transmit a certified copy of said order to the clerk of every circuit court of the State.