5. 欧洲联盟委员会参加了于瑞士举行的谈判的最后阶段，双方和欧洲联盟委员会就欧洲联盟在全面解决方案方面的各项承诺达成了一致。
5. The EU Commission was present at the final stage of the negotiations in Switzerland and the EU commitments with regard to the comprehensive settlement were agreed upon between the parties and the EU Commission.