European Union and the European Convention on Human Rights
The European Union's (EU) Treaty of Lisbon, in force since 1 December 2009, requires the EU to accede to the European Convention on Human Rights (ECHR). Article 6 of the consolidated Treaty on European Union states "The Union shall accede to the European Convention for the Protection of Human Rights and Fundamental Freedoms.
Source: Wikipedia — European Union and the European Convention on Human Rights (CC BY-SA 4.0)