Chính phủ tham gia, tại thời điểm sớm nhất có thể sau khi nhận được yêu cầu, gây ra bất kỳ của những cuốn sách, hồ sơ, hoặc văn bản để quy định, mà sẽ được sở hữu hoặc quyền lực (hoặc chứng thực bản sao hoặc chất chiết xuất của cùng một), sẽ được chuyển đến thư ký của Nhà nước, | 558 Treaty of Guadalupe Hidalgo Government engages at the earliest possible moment after the receipt of such demand to cause any of the books records or documents so specified which shall be in their possession or power or authenticated copies or extracts of the same to be transmitted to the said Secretary of State who shall immediately deliver them over to the said board of commissioners provided that no such application shall be made by or at the instance of any claimant until the facts which it is expected to prove by such books records or documents shall have been stated under oath or affirmation. ARTICLE XVI Each of the contracting parties reserves to itself the entire right to fortify whatever point within its territory it may judge proper so to fortify for its security. ARTICLE XVII The treaty of amity commerce and navigation concluded at the city of Mexico on the fifth day of April . 1831 between the United States of America and the United Mexican States except the additional article and except so far as the stipulations of the said treaty may be incompatible with any stipulation contained in the present treaty is hereby revived for the period of eight years from the day of the exchange of ratifications of this treaty with the same force and virtue as if incorporated therein it being understood that each of the contracting parties reserves to itself the right at any time after the said period of eight years shall have expired to terminate the same by giving one year s notice of such intention to the other party. ARTICLE XVIII All supplies whatever for troops of the United States in Mexico arriving at ports in the occupation of such troops previous to the final evacuation thereof although subsequently to the restoration of the custom-houses at such ports shall be entirely exempt from duties and charges of any kind the Government of the United States hereby engaging and pledging its faith to establish and vigilantly to enforce all possible guards for .
