Article 2
1. For the purpose of this Regulation: (a) 'air carrier` shall mean an air transport undertaking with a valid operating licence; (b) 'Community air carrier` shall mean an air carrier with a valid operating licence granted by a Member State in accordance with the provisions of Regulation (EEC) No 2407/92; (c) 'person entitled to compensation` shall mean a passenger or any person entitled to claim in respect of that passenger, in accordance with applicable law; (d) 'ecu` shall mean the unit of account in drawing up the general budget of the European Communities in accordance with Articles 207 and 209 of the Treaty; (e) 'SDR` shall mean a Special Drawing Right as defined by the International Monetary Fund; (f) 'Warsaw Convention` shall mean the Convention for the Unification of Certain Rules Relating to International Carriage by Air, signed at Warsaw on 12 October 1929, or the Warsaw Convention as amended at The Hague on 28 September 1955 and the Convention supplementary to the Warsaw Convention done at Guadalajara on 18 September 1961 - whichever is applicable to the passenger contract of carriage, together with all international instruments which supplement, and are associated with, it and are in force. 2. Concepts contained in this Regulation which are not defined in paragraph 1 shall be equivalent to those used in the Warsaw Convention.