| Source | Section | Definition |
|---|---|---|
| Convention for the Protection of Human Rights and Fundamental Freedoms | Article 2 (Protocol no.4) | 3. No restrictions shall be placed on the exercise of these rights other than such as are in accordance with law and are necessary in a democratic society in the interests of national security or public safety, for the maintenance of ordre public, for the prevention of crime, for the protection of health or morals, or for the protection of the rights and freedoms of others. |