对此只有一个非欧盟成员国通过谈判获取相当于欧盟成员国同等渠道的先例：欧盟与挪威，冰岛，列支敦士登三国于1992年签订的欧洲经济区协议。
There is only one precedent for non-EU members being able to negotiate access to the internal market equivalent to that enjoyed by EU members. This is the European Economic Area agreement concluded with the EU by Norway, Iceland, and Liechtenstein in 1992.