Art. 16. All subjects of France, or of powers in friendship or alliance, domiciliated in Portugal, or accidentally in this country, shall be protected; their property of every kind, moveable and immoveable, shall be respected; and they shall be at liberty either to accompany the French army or to remain in Portugal. In either case their property is guaranteed to them, with the liberty of retaining or of disposing of it, and passing the produce of the sale thereof into France, or any other country where they may fix their residence; the space of one year being allowed them for that purpose. It is fully understood that shipping is excepted from this arrangement, only however in as far as regards leaving the port, and that none of the stipulations above mentioned can be made the pretext of any commercial speculations.
Art. 17. No native of Portugal shall be rendered accountable for his political conduct during the period of the occupation of this country by the French army; and all those who have continued in the exercise of their employments, or who have accepted situations under the French government, are placed under the protection of the British commanders; they shall sustain no injury in their persons or property; it not having been at their option to be obedient or not to the French government, they are also at liberty to avail themselves of the stipulations of the 16th article.
Art. 18. The Spanish troops detained on board ship, in the port of Lisbon, shall be given up to the commander-in-chief of the British army, who engages to obtain of the Spaniards to restore such French subjects, either military or civil, as may have been detained in Spain without having been taken in battle, or in consequence of military operations, but on occasion of the occurrences of the 29th of last May, and the days immediately following.
Art. 19. There shall be an immediate exchange established for all ranks of prisoners made in Portugal since the commencement of the present hostilities.
Art. 20. Hostages of the rank of field officers shall be mutually furnished, on the part of the British army and navy, and on that of the French army, for the reciprocal guarantee of the present convention. The officer of the British army shall be restored on the completion of the articles which concern the army; and the officer of the navy on the disembarkation of the French troops in their own country. The like is to take place on the part of the French army.
Art. 21. It shall be allowed to the general-in-chief of the French army to send an officer to France with intelligence of the present convention. A vessel will be furnished by the British admiral to convey him to Bourdeaux or Rochefort.
Art. 22. The British admiral will be invited to accommodate his excellency the commander-in-chief and the other principal officers of the French army on board ships of war.
Done and concluded at Lisbon this 30th day of August, 1808.
(Signed) George Murray, quarter-master-general.
Kellerman, le général de division.