Convention for the Unification of Certain Rules for International Carriage by Air (Montreal, 28 May 1999)
Chapter II - Documentation and Duties of the Parties Relating to the Carriage of Passengers, Baggage and Cargo
Article 16 - Formalities of customs, police or other public authorities
1. The consignor must furnish such information and such documents as are necessary to meet the formalities of customs, police and any other public authorities before the cargo can be delivered to the consignee. The consignor is liable to the carrier for any damage occasioned by the absence, insufficiency or irregularity of any such information or documents, unless the damage is due to the fault of the carrier, its servants or agents.
2. The carrier is under no obligation to enquire into the correctness or sufficiency of such information or documents.