Maluquo, as aforesaid.  The said deputies declare that, in order to ascertain where the said line should be drawn, two charts of the same tenor be made, conformable to the chart in the India House of Trade at Sevilha, and by which the fleets, vassals and subjects of the said emperor and king of Castilla navigate.  Within thirty days from the date of this contract two persons shall be appointed by each side to examine the aforesaid chart and make the two copies aforesaid conformable to it.  In them the said line shall be drawn in the manner aforesaid; and they shall be signed by the said sovereigns, and sealed with their seals, so that each one will keep his own chart; and the said line shall remain fixed henceforth at the point and place so designated.  This chart shall also designate the spot in which the said vassals of the said emperor and king of Castilla shall situate and locate Maluquo, which during the time of this contract shall be regarded as situated in such place, although in truth it is situated more or less distance eastward from the place that is designated in the said charts.  The seventeen degrees eastward shall be drawn from the point where Maluquo is situated in said charts.  For the good of this contract the said King of Portugal must have said chart, and in case the aforesaid be not found in the House of Trade of Sevilha, the said persons appointed by the said sovereigns shall make said charts within one month, signed and sealed as aforesaid.  Furthermore navigation charts shall be made by them, in which the said line shall be drawn in the manner aforesaid, so that henceforth the said vassals, natives, and subjects of the said emperor and king of Castilla shall navigate by them; and so that the navigators of either pa shall be certain of the location of the said line and of the aforesaid distance of the two hundred and ninety-seven and one-half leagues between the said line and Maluquo.

It is covenanted and agreed by the said deputies that, whenever the said King of Portugal should wish to prove his right to the proprietorship of Maluco, and the lands and seas specified in this contract, and although at that time the said emperor and king of Castilla shall not have returned the price abovesaid, nor the said contract be canceled, it shall be done in the following manner, namely, each one of the said sovereigns shall appoint three astrologers and three pilots or three mariners who are experts in navigation, who shall assemble at a place on the frontier between the kingdoms, where it shall be agreed that they assemble, within four months of the time when the emperor and king of Castilla, or his successors, shall be notified by the said King of Portugal to appoint a day.  There they will consult, covenant, and agree upon the manner of ascertaining the right of said proprietorship conformable to said treaty and contract made between the said Catholic sovereigns, Don Fernando and Dona Isabel, and the said King Dom Joam the Second of Portugal.