Similarly, the provisions of Articles IV, V, VII and VIII shall not interfere with the measures which His Majesty the Sultan and His Highness the Khedive, in the name of His Imperial Majesty, and within the limits of the Firmans granted, might find it necessary to take for securing by their own forces the defense of Egypt and the maintenance of public order. In case His Imperial Majesty the Sultan, or His Highness the Khedive, would find it necessary to avail themselves of the exceptions for which this article provides, the Signatory Powers of the Declaration of London shall be notified thereof by the Imperial Ottoman Government. It is likewise understood that the provisions of the four Articles aforesaid shall in no case occasion any obstacle to the measures which the Imperial Ottoman Government may think it necessary to take in order to insure by its own forces the defense of its other possessions situated on the eastern coast of the Red Sea.