However, though non-EU states must apply the rules for participating in the single market, they do not decide them within EU institutions, such as the Commission, the Parliament and the Council. 1 2. Participation in a customs union with the European Union, as in the case of Turkey.
This union provides for the free movement of goods, the obligation to implement the relevant European regulations and a waiver on deciding own customs duties and on the possibility of reaching independent trade agreements. 3. A free trade agreement.