from the day of the ratification of the present treaty by the Mexican Government, and the first of the instalments shall be paid at the expiration of one year from the same day. Together with each annual instalment, as it falls due, the whole interest accruing on such instalment from the beginning shall also be paid. Certificates in proper form, for the said instalments, respectively, in such sums as shall be desired by the Mexican Government, and transferable by it, shall be delivered to the said Government by that of the United States.
Article XIII.
The United States engage moreover, to assume and pay to the claimants all the amounts now due them, and those hereafter to become due, by reason of the claims already
