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Rh Dr. Luis Piera, His Envoy Extraordinary and Minister Plenipotentiary to the President of the French Republic,

Who, having exchanged their full powers, found in good and due form, have agreed to the following provisions:

1. Each Government shall immediately notify the other Governments of the first authentic case of plague, cholera, or yellow fever discovered in its territory.

Likewise, the first authentic case of cholera, plague, or yellow fever occurring outside the districts already stricken shall constitute the object of an immediate notification to the other Governments.

2. Every notification as provided for in article 1 shall be accompanied or very promptly followed by particulars regarding:

1. The neighborhood in which the disease has appeared;

2. The date of its appearance, its origin, and its form;

3. The number of established cases and the number of deaths;

4. The extent of the area or areas affected;

5. In the case of plague, the existence of plague or of an unusual mortality among rats;

6. In the case of yellow fever, the existence of Stegomyia calopus;

7. The measures immediately taken.

3. The notification and the information contemplated in articles 1 and 2 are to be addressed to the diplomatic or consular agencies in the capital of the contaminated country.

In the case of countries not represented there, they shall be transmitted directly by telegraph to the Governments of these countries.

4. The notification and the information contemplated in articles 1 and 2 shall be followed by subsequent communications sent regularly, so as to keep the Governments informed as to the progress of the epidemic.

These communications, which shall be sent at least once a week and which shall be as complete as possible, shall state more particularly the precautions taken with a view to preventing the spread of the disease.

They shall specify: 1st The prophylactic measures applied in regard to sanitary or medical inspection, isolation, and disinfection; 2d the measures enforced upon the departure of ships in order to prevent the exportation of the disease and especially, in the cases contemplated under Nos. 5 and 6 of article 2 above, the measures taken respectively against rats and mosquitoes.