The agents in Egypt of the Signatory Powers of the present Treaty shall be charged to watch over its execution. In case of any event threatening the security or the free passage of the Canal, they shall meet on the summons of three of their number under the presidency of their Doyen, in order to proceed to the necessary verifications. They shall inform the Khedivial Government of the danger which they may have perceived, in order that that Government may take proper steps to insure the protection and the free use of the Canal. Under any circumstances, they shall meet once a year to take note of the due execution of the Treaty. The last mentioned meetings shall take place under the presidency of a Special Commissioner nominated for that purpose by the Imperial Ottoman Government. A Commissioner of the Khedive may also take part in the meeting, and may preside over it in case of the absence of the Ottoman Commissioner. They shall especially demand the suppression of any work or the dispersion of any assemblage on either bank of the Canal, the object or effect of which might be to interfere with the liberty and the entire security of the navigation.