2.2 Each Signatory shall: (a) establish or adapt a special-purpose customs administration system in order to fulfil its obligations under Article 2.1; (b) ensure that their end-use system offers duty-free or duty-free treatment, comparable to treatment by other signatories and which does not impede trade; and (c) inform other signatories of their end-use system management procedures. Aeroplanes and other powered aircraft with a curb weight not exceeding 2 000 kg Summary information on the plurilateral agreement on trade in civil aircraft Links to the civil aircraft section of the WTO Guide to the WTO Agreement. 2.1.1 on the 1st to eliminate, on 1 January 1980 or until the date of entry into force of this Agreement, all customs duties and other taxes of any kind levied on or in connection with the importation of goods classified for customs purposes under their respective tariff headings set out in the Annex, where those products are intended for use in and mounted on a civil aircraft; during its manufacture, repair, maintenance, processing, modification or transformation; The Agreement on Trade in Civil Aircraft (Aircraft Agreement) obliges signatories to eliminate customs duties on civil aircraft, engines, flight simulators and associated parts and components, and to make these benefits available to other signatories without discrimination. In addition, the signatories have provisionally agreed to treat ground maintenance simulators duty-free, although this item is not covered by the current agreement. Anxious to eliminate the negative effects on trade in civil aircraft resulting from State assistance for the development, production and marketing of civil aircraft, while recognizing that such State aid would not in itself be considered a trade distortion; Considering that it is necessary to provide for international procedures for notification, consultation, monitoring and dispute settlement in order to ensure a fair, immediate and effective application of the provisions of this Agreement and to preserve the balance between rights and obligations between them, wishing to create an international framework for the exercise of trade in civil aircraft, It appeared on 1 January 1980, it is one of two WTO plurilateral agreements (together with the Agreement on Government Procurement) which are in force only for WTO Members which have accepted it. an incomplete or unfinished product; unless it is essential to a part, component, sub-assembly or civilian equipment or ground flight trainer (8) (for example. B of an article bearing the spare parts number of a civil aircraft manufacturer), materials in any form (e.g. B sheets, plates, form of profiling, strip, bars, tubes, pipes or other shapes), unless they have been cut and/or mounted on a civil aircraft or ground flight trainer* (e.g.B. .