1.7 to 1.9

III. Russia, on her part, engages not to oppose, without previous arrangement with Great Britain, the grant of any Concessions whatever to British subjects in the regions of Persia situated between the lines mentioned in Articles I and II. Great Britain undertakes a similar engagement as regards the grant of Concessions to Russian subjects in the same regions of Persia. All Concessions existing at present in the regions indicated in Articles I and II are maintained. IV. It is understood that the revenues of all the Persian customs, with the exception of those of Farsistan and of the Persian Gulf, revenues guaranteeing the amortization and the interest of the loans concluded by the Government of the Shah with the "Banque d'escompte et des Prits de Perse" up to the date of the signature of the present Agreement, shall be devoted to the same purpose as in the past. It is equally understood that the revenues of the Persian customs of Farsistan and of the Persian Gulf, as well as those of the fisheries on the Persian shore of the Caspian Sea and those of the Posts and telegraphs, shall be devoted, as in the past, to the service of the loans concluded by the Government of the Shah with the Imperial Bank of Persia up to the date of the signature of the present Agreement. V. In the event of irregularities occurring in the amortization or payment of interest of the Persian loans concluded with the "Banque d'escompte et des Prits de Perse" and with the Imperial Bank of Persia up to the date of the signature of the present Agreement, and in the event of the necessity arising for Russia to establish control over the sources of revenue guaranteeing the regular service of the loans concluded with the first-named bank, and situated in the region mentioned in Article II of the present Agreement, or for Great Britain to establish control over the sources of revenue guaranteeing the regular service of the loans concluded with the second-named bank, and situated in the region mentioned in Article I of the present Agreement, the British and Russian Governments undertake to enter beforehand into a friendly exchange of ideas with a view to determine, in agreement with each other, the measures of control in question and to avoid all interference which would not be in conformity with the principles governing the present Agreement.