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Temporary import of civil airplane in Switzerland

A practical and simplified regulation with expensive consequences when violated
29 Oct 2018


International civil air traffic has become an indispensable medium of transport, and statistics seem to validate the expectation that this trend will continue 1. In order not to disrupt this activity for customs duties/import tax reasons, an international agreement facilitates the customs/import tax treatment and formalities of temporary import of civil airplanes 2, applicable to countries that are parties to that international agreement.

A recent case 3 before the Swiss Supreme Court offers a good example of the operation of the procedure of temporary admission and its consequences -for better or worse.


A Swiss company, that in accordance with its statutes aims to participate in aviation companies and to purchase aircraft, owned an airplane of the brand Cessna. Based on a Aircraft Management Agreement, the airplane was operated for business purposes by an Austrian company, in which scope the airplane was registered in the Austrian Aircraft Register for Civil Aircraft. The Austrian operator was contractual committed to charter the airplane to third parties on as large scale as possible, provided use of the airplane by the Swiss company or its owner. The Swiss company had a single shareholder and manager, namely a resident of Switzerland. According to the facts of the case, mostly the airplane was chartered to third parties.
The status of the airplane for purposes of Swiss customs/taxes was that it was not released for free circulation within the Swiss customs/tax territory.

The facts that gave rise to the court case were that the owner of the Swiss company had used the plane for a domestic trip within Switzerland, without applying the appropriate procedure. Regarding the application of the procedure for temporary admission, the following remarks were made by the Supreme Court. 

According to Article 7 Swiss Customs Act, goods that are brought into the Swiss customs territory are subject to customs. However, on foot of Article 9 Par. 1 Swiss Customs Act the government can provide that foreign goods can be brought temporarily into the customs territory with partial or full relief of the import duties. A reservation has to be made for international agreements (Article 2 Par. 1 Swiss Customs Act). In this context is relevant the agreement concluded in Istanbul regarding the temporary admission of 26 June 1990, which covers means of transport including aircraft (Article 1 sub a4 in conjunction with Article 1 sub a5.

Synoptically, temporary admission means the customs procedure according to which specific goods (including means of transport), under suspension of the import duties and for a specific purpose, can be brought into a customs territory, and within a specific period of time are re-exported in unchanged condition (Article 1 sub a Istanbul Agreement6). On foot of Article 1 sub b7 Istanbul Agreement, as import duties must be considered, apart from customs duties, also other taxes and charges, thus in particular the VAT at import as laid down in the Swiss VAT Act. 

In this case the airplane was undoubtedly used for business purposes. The Court of first instance deliberated that the basic conditions for claiming the relief under the Istanbul Agreement in accordance with Article 5 sub a Annex C have been fulfilled8. However, the disputed flight concerned a domestic flight, which according to the Istanbul Agreement can be even entirely prohibited by a contracting state9. Though the Swiss regulation is less restrictive and allows the granting of temporary admission even for domestic transports, when the applicant proves that corresponding domestic means of transport are not available and that the foreign means of transport are only to be used for a short period of time (Article 34 Par. 4 sub a Customs Regulation of 1 November 2006). In case of matriculated means of transport, for which on foot of Article 6 Annex C Istanbul Agreement10 neither provision of a customs document nor a security is necessary, a verbal customs declaration11 suffices for the granting of the temporary admission (Article 25 Par. 1 sub b Customs Regulation of the Federal Customs Authorities of 4 April 2007).
As in the case at hand such a grant has not been given, the relief for temporary admission does not apply.


  1. See for example the data published by the ICAO.
  2.  Convention On Temporary Admission (Istanbul, 26 June 1990), Annex C, Article 1 sub a.
  3. Swiss Supreme Court, case 2C_25/2017, judgment of 17 September 2018. Hereafter, not all details and issues of the dispute are discussed.
  4. Article 1, sub a of the Istanbul Agreement stipulates: ‘temporary admission’ means: the Customs procedure under which certain goods (including means of transport) can be brought into a Customs territory conditionally relieved from payment of import duties and taxes and without application of import prohibitions or restrictions of economic character; such goods (including means of transport) must be imported for a specific purpose and must be intended for re-exportation within a specified period and without having undergone any change except normal depreciation due to the use made of them’.
  5. Annex C (concerning means of transport) stipulates in Article 1, sub a: “the term ‘means of transport’ means: any vessel (including lighters and barges, whether or not shipborne, and hydrofoils), hovercraft, aircraft, motor road vehicles (including cycles with engines, trailers, semi- trailers and combinations of vehicles) and railway rolling stock; together with their normal spare parts, accessories and equipment carried on board means of transport (including special equipment for the loading, unloading, handling and protection of cargo)”.
  6. See footnote 4 above
  7. Article 1 sub b Istanbul Agreement stipulates: “For the purposes of this Convention, the term ‘import duties and taxes’ means: customs duties and all other duties, taxes, fees or other charges which are collected on or in connection with the importation of goods (including means of transport), but not including fees and charges which are limited in amount to the approximate cost of services rendered”.
  8. Article 5 sub a Annex C, Istanbul Agreement stipulates: “For the facilities granted by this Annex to apply: (a)  means of transport for commercial use must be registered in a territory other than that of temporary admission, in the name of a person established or resident in a territory other than that of temporary admission, and be imported and used by persons operating from such a territory”.
  9.  Article 8 sub a Annex C, Istanbul Agreement stipulates: “Each Contracting Party shall have the right to deny the benefit of temporary admission to, or to withdraw that benefit from: (a)  means of transport for commercial use which are used in internal traffic”.
  10.  Article 6 a Annex C, Istanbul Agreement stipulates: “Temporary admission of means of transport shall be granted without a Customs document or security being required.”
  11. In civil aviation, the customs declaration is done by asking the air traffic control approval for landing respectively taking off.

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