ARTICLE XX.
Through consideration for the interests of commerce generally, it is agreed that if less than sixty days should elapse between the date of the signature of this Treaty and the restoration of the custom-houses, conformably with a stipulation in the third Article, in such case, all merchandise, effects, and property whatsoever, arriving at the Mexican ports after the restoration of the said custom-houses, and previously to the expiration of sixty days after the signature of this Treaty, shall be admitted to entry; and no other duties shall be levied thereon than the duties established by the Tariff found in force at such custom-houses at the time of the restoration of the same. And to all such merchandise, effects and property, the rules established in the preceding Article shall apply.
ARTICLE XXI.
If, unhappily, any disagreement should hereafter arise between the Governments of the wo Republics, whether with respect to the interpretation of any stipulation in this treaty or with respect to any other particular concerning the political or commercial relations of the two nations, the said Governments, in the name of those nations, do promise to each other that they will endeavor, in the most sincere and earnest manner, to settle the difference so arising, and to preserve the state of peace and friendship in which the two countries are now placing themselves; using, for this end, mutual representations and pacific negotiations. And, if, by these means, they should not be enabled to come to an agreement, a resort shall not, on this account, be had in reprisals, aggressions, or hostility of any kind by the one Republic against the other, until the Government of that which deems itself aggrieved shall have maturely considered, in the spirit of peace and good neighborship, whether it would not be better that such difference should be settled by the arbitration of Commissioners appointed on each side, or by that of a friendly nation. And should such course be proposed by either party, it shall be acceded to by the other, unless deemed by it altogether incompatible with the nature of the difference, or the circumstances of the case.
ARTICLE XXII.
If, (which is not to be expected, and which God forbid!) war shall unhappily break out between the two Republics, they do now, with a view to such calamity, pledge themselves to each other and to the world, to observe the following rules, absolutely, where the nature of the subject permits, and as closely as possible in all cases where such absolute observance shall be impossible.
1. The merchants of either Republic then residing in the other shall be allowed to remain twelve months, (for those dwelling in the interior,) and six months (for those dwelling at the seaports,) to collect their debts and settle their affairs; during which periods, they shall enjoy the same protection, and be on the same footing, in all respects, as the citizens or subjects of the most friendly nations; and, at the expiration thereof, or at any time before, they shall have full liberty to depart, carrying off all their effects without molestation or hindrance; conforming therein to the same laws which the citizens-or subjects of the most friendly nations are required to conform to. Upon the entrance of the armies of either nation into the territories of the other, women and children, ecclesiastics, scholars of every faculty, cultivators of the earth, merchants, artisans, manufacturers, and fishermen, unarmed, and inhabiting unfortified towns, villages or places, and in general all persons whose occupations are for the common subsistence and benefit of mankind, shall be allowed to continue their respective employments unmolested in their persons. Nor shall their houses or goods be burnt or otherwise destroyed, nor their cattle taken, nor their fields wasted, by the armed force into whose power, by the events of war, they may happen to fall; but if the necessity arise to take anything from them for the use of such armed force, the same shall be paid for at an equitable price. All churches, hospitals, schools, colleges, libraries, and other establishments, for charitable and beneficent purposes, shall be respected, and all persons connected with the same protected in the discharge of their duties, and the pursuits of their vocations.
2. In order that the fate of prisoners of war may be alleviated, all such practices as those of sending them into distant, incliment, or unwholesome districts, or crowding them into close and noxious places, shall be studiously avoided. They shall not be confined in dungeons, prisonships or prisons; nor be put in irons, or bound, or otherwise restrained in the use of their limbs. The officers shall enjoy liberty on their paroles, within convenient districts, and have comfortable quarters; and the common soldiers shall be disposed in cantonments, open and extensive enough for air and exercise, and lodged in barracks as roomy and good as are provided by the party in whose power they are for its own troops. But if any officer shall break his parole by leaving the district so assigned him, or any other prisoner shall escape from the limits of his cantonment, after they shall have been designated to him, such individual, officer,