Article 38 Montreal Convention
Article 38 of the Montreal Convention (Convention For the Unification of Certain Rules for International Carriage by Air) is titled Combined Carriage. It is under Chapter IV (Combined Carriage).
1. In the case of combined carriage performed partly by air and partly by any other mode of carriage, the provisions of this Convention shall, subject to paragraph 4 of Article 18, apply only to the carriage by air, provided that the carriage by air falls within the terms of Article 1.
2. Nothing in this Convention shall prevent the parties in the case of combined carriage from inserting in the document of air carriage conditions relating to other modes of carriage, provided that the provisions of this Convention are observed as regards the carriage by air.
See also: Article 37 Montreal Convention