| Source | Section | Definition |
|---|---|---|
| Charter of Fundamental Rights of the European Union | Article 12, paragraph 1 | Everyone has the right to freedom of peaceful assembly and to freedom of association at all levels, in particular in political, trade union and civic matters, which implies the right of everyone to form and to join trade unions for the protection of his or her interests. |
| Universal Declaration of Human Rights | Article 20, paragraph 1 | Everyone has the right to freedom of peaceful assembly and association. |
| Convention for the Protection of Human Rights and Fundamental Freedoms | Article 11, paragraph 1 | Everyone has the right to freedom of peaceful assembly and to freedom of association with others, including the right to form and to join trade unions for the protection of his interests. |