The principle of non-discrimination in international, European and national constitutional sources.
In a hierarchical and multilevel system of the sources of law, the acquisition of rights and the existence of the correlated duties must be based on the recognition and the affirmation of fundamental principles within International Treaties and Constitutional Charters.
The principle of non-discrimination – which generally states the full and equal enjoyment of rights by prohibiting illegitimate factors of discrimination – finds a legal basis in constitutional sources of international, European and national level.
To know more about it:
In the Universal Declaration of Human Rights (10 December 1948), the principle of non-discrimination is indicated as one of the general principles for the enjoyment of human rights. Read more
Under the law of the European Union there are many rules concerning the prohibition of discrimination in different contexts, both at the level of the original legislation (Treaties, Agreements, Conventions) and at the level of secondary law (regulations, directives, decisions). Read more
With regard to internal regulations, an indirect reference to non-discrimination is found in the Constitution art. 3 which postulates the principle of equality in the formal sense (paragraph 1) and substantial sense(paragraph 2).Read more