Art. 15. His majesty the king, and the republic of Poland, as allies to his czarish majesty, are expressly comprehended in this treaty of peace, and have equal right thereto, as if the treaty of peace between them and the crown of Sweden had been inserted here at full length: to which purpose all hostilities whatsoever shall cease in general throughout all the kingdoms, countries, and patrimonies belonging to the two reconciled parties, whether situated within or out of the Roman empire, and there shall be a solid and lasting peace established between the two aforesaid powers. And as no plenipotentiary on the part of his Polish majesty and the republic of Poland has assisted at this treaty of peace, held at Nystadt, and that consequently they could not at one and the same time renew the peace by a solemn treaty between his majesty the king of Poland and the crown of Sweden, his majesty the king of Sweden does therefore engage and promise, that he will send plenipotentiaries to open the conferences, so soon as a place shall be appointed for the said meeting, in order to conclude, through the mediation of his czarish majesty, a lasting peace between the two crowns, provided nothing is therein contained which may be prejudicial to the treaty of perpetual peace made with his czarish majesty. Art. 16. A free trade shall be regulated and established as soon as possible, which shall subsist both by sea and land between the two powers, their dominions, subjects, and inhabitants, by means of a separate treaty on this head, to the good and advantage of their respective dominions; and in the mean time the subjects of Russia and Sweden shall have leave to trade freely in the empire of Russia and kingdom of Sweden, so soon as the treaty of peace is ratified, after paying the usual duties on the several kinds of merchandise; so that, the subjects of Russia and Sweden shall reciprocally enjoy the same privileges and prerogatives as are enjoyed by the closest friends of either of the said states. Art. 17. Restitution shall be made on both sides, after the ratification of the peace, not only of the magazines which were before the commencement of the war established in certain trading towns belonging to the two powers, but also liberty shall be reciprocally granted to the subjects of his czarish majesty and the king of Sweden to establish magazines in the towns, harbours, and other places subject to both or either of the said powers.