| A | |
| AAD | Accompanying Administrative Document |
| ACP | African, Caribbean and Pacific Countries |
| APA | Advance Pricing Arrangement |
| ARC | AAD Reference Code |
| ASEAN | Association of the South East Asian Nations |
| ATA | Carnet ATA (temporary admission) |
| ATMs | Autonomous trade measures |
| ATR | Anticipated Transit Record |
| BOI | Binding Origin Information |
| B | |
| BPR | Business Prototype |
| BTI | Binding Tariff Information |
| C | |
| C2007 | Customs 2007 Programme |
| CCBT | Common Consolidated Base Taxation |
| CCC | Community Customs Code |
| CCIP | Customs Code Implementing Provisions |
| CCT | Common Customs Tariff |
| CEEC | Central and Eastern Europe Countries |
| CFC | Controlled Foreign Company |
| CIOTA | Committee of International Organisations of Tax Administrations |
| CN | Combined Nomenclature |
| CO | Certificate of Origin |
| D | |
| DTA/DTC | Double Taxation Agreement/Double Taxation Convention |
| e | |
| e-AAD | Electronic Administrative Accompanying Document |
| E | |
| EATR | Effective Average Tax Rate |
| EBTI | European Binding Tariff Information |
| EC | European Community |
| ECG | Excise Contact Group |
| ECICS | European Customs Inventory of Chemical Substances |
| ECJ | European Court of Justice |
| ECOFIN | Council of Economics and Finance Ministers |
| ECP | EMCS Computerisation Project |
| EDI | Electronic Data Interchange |
| EEA | European Economic Area |
| EEIG | European Economic Interest Grouping |
| EFTA | European Free Trade Association |
| EMCS | Excise Movement and Control System |
| EMTR | Effective Marginal Tax Rate |
| EP | European Parliament |
| ESC | Economic and Social Committee |
| ESS | Excise System Specification |
| EU | European Union |
| EU CIT | EU Corporate Income Tax |
| F | |
| F07 | Fiscalis 2007 |
| FA | Formulary Apportionment |
| FESS | Functional Excise System Specification |
| FTA | Free Trade Agreement |
| G | |
| GSP | Generalised System of Preferences |
| H | |
| HS | Harmonized System |
| I | |
| IAS | International Accounting Standards |
| IBFD | International Bureau of Fiscal Documentation |
| ICARUS | Contact Group for Airports (Frankfurt, Rome Fiumicino, Roissy C.D.G., Schiphol, Zaventem, Ruzyne, Sofia, Heathrow) |
| IFRS | International Financial Reporting Standards |
| IOTA | Intra-European Organisation of Tax Administations |
| IPR | Inward Processing Relief |
| IRU | International Road Union |
| J | |
| JTPF | EU Joint Transfer Pricing Forum |
| M | |
| MAGHREB | Morocco, Algeria and Tunisia |
| MAP | Mutual Agreement Procedure |
| MFN | Most Favoured Nation |
| N | |
| NAFTA | North American Free Trade Agreement |
| NCTS | New Computerised Transit System |
| O | |
| OCT | Overseas Countries and Territories |
| ODYSSUD | Contact Group for Southern Ports (Barcelona, Koper, Leixoes, Marseille, Piraeus, Trieste) |
| OECD | Organisation for Economic Co-operation and Development |
| OJ | Official Journal of the European Union |
| P | |
| PFIC | Passive Foreign Investment Company |
| PSS | Phasing and Scope Specification |
| R | |
| RALFH | Contact group for Northern Ports (Rotterdam, Antwerpen, Le Havre, Felixstowe, Hamburg |
| S | |
| SAD | Single Administrative document |
| SCE | European Cooperative Society (Societas Cooperativa Europaea) |
| SE | European Company (Societas Europaea) |
| SEED | System of Exchange of Excise Data |
| SME | Small or Medium Enterprise |
| T | |
| TAD | Transit Accompanying Document |
| TCP | Transit Computerisation Project |
| TESS | Technical Excise System Specification |
| TIN | Tax Identification Number |
| U | |
| UCITs | Undertakings for Investment in Transferable Securities |
| UNECE | United Nations Economic Commission for Europe |
| V | |
| VAT | Value Added Tax |
| VIES | VAT Information Exchange System |
| W | |
| WCO | World Customs Organisation |
| WTO | World Trade Organisation |
