1. CUSTOMS UNION

2. Agreement between two or more (usually neighboring) countries to remove trade barriers, and reduce or eliminate customs duty on mutual trade. It is the third stage of economic integration.Customs unions are established through trade pacts.

3. A trade agreement (also known as trade pact) is a wide ranging(ряд) tax, tariff and trade treaty that often includes investment guarantees.

4. PURPOSE
Purposes for establishing a customs union normally include increasing economic efficiency and establishing closer political and cultural ties between the member countries

6. 2010 Common Market for Eastern and Southern Africa(COMESA)
2010 Southern African Development Community (SADC)
2011 Economic Community of Central African States (ECCAS)
2012 Gulf Cooperation Council (GCC)
2015 Arab Customs Union (ACU)
2015 Economic Community of West African States (ECOWAS)
2019 or before Union of South American Nations (UNASUR)
2019 African Economic Community (AEC)
ca 2020 Closer Economic Relations of Australia and New Zealand
Central American Common Market (CACM)

7. Defunct (не существующий)
Customs and Economic Union of Central Africa (UDEAC) - superseded by CEMAC
1925 French Customs Union over occupied Territory of the Saar Basin
The former Zollverein
Custom Union Between Lebanon and Syria[11]
Customs Union of the Commonwealth of Independent States (CIS) and its proposed successor in the framework ofEurasian Economic Community (EurAsEC)[

8.  ЕврАзЭС 
 Евразийская экономическая сообщества

9. Customs Union of Belarus, Kazakhstan and Russia - a form of trade and economic integration of Belarus, Kazakhstan and Russia, which provides a unified customs territory within which the mutual trade in goods does not apply customs duties. October 6, 2007 in Dushanbe, Belarus, Kazakhstan and Russia signed a treaty on the establishment of unified customs territory and formation of the Customs Union. July 1, 2011 at the boundaries of Russia, Kazakhstan and Belarus abolished customs control.

11. When exporting goods apply a zero VAT rate and exemption(освобождение) from excise provided documentary evidence of the fact of export.
When importing goods into the territory of the Russian Federation from the territory of the Republic of Belarus or of the Republic of Kazakhstan VAT and excise taxes are levied by the Russian tax authorities.

12. The Southern African Customs Union (SACU) is a customs union among five countries of Southern Africa: Botswana, Lesotho, Namibia, South Africa andSwaziland. SACU is the oldest existing customs union in the world.It was established in 1910

13. European Union Customs Union
The European Union Customs Union (EUCU) is a customs union which consists of all the member states of the European Union (EU) and some of its neighbouring countries: Andorra, Monaco, San Marino and Turkey. The customs union is a principal task of the European Economic Community, established in 1958

14. European Union–Turkey Customs Union
On 31 December 1995,  Ankara was entered  to customs union between Turkey and the European Union