GENERAL PROVISIONS
ARTICLE 1
Articles of correspondence admitted to air transportation
1. There are admitted to air transportation, over all or part of the route,
all the articles designated in Article 35 of the Convention, as well as money
orders, collection orders, and subscriptions by mail. Such articles which, in
that case, are known as air-mail correspondence, are divided into articles for
which a special air-transportation surcharge is collected (surcharged articles) ,
and those for which such a charge is not due (unsurcharge!d articles) .
2. The articles mentioned in Article 35 of the Convention may be submitted
to the formality of registration and be sent C. O. D.
3. Insured letters and boxes may also be transported by air in relations
between countries which agree to exchange articles of that kind by that route.
4. Surcharged air-mail articles shall be marked very clearly on the front
with the words "Par Avion" or a similar indication in the language of the
country of origin.
A