No charge is made for the transmission of newspapers within the republic. The letter rate is 5 cents silver for 15 grams, or 10 cents to foreign countries in the postal union.
This treaty was never ratified, and four years later General Hilarion Daza, who had succeeded Dr Frias as president in 1876, demanded as the price of Bolivia's consent that a tax of 10 cents per quintal should be paid on all nitrates exported from the country, further declaring that, unless this levy was paid, nitrates in the hands of the exporters would be seized by the Bolivian government.