Art. 3. All citizens have equal social dignity and are equal before the law, without distinction of sex, race, language, religion, political opinion, personal and social conditions. It is the duty of the Republic to remove those obstacles of an economic or social nature which constrain the freedom and equality of citizens, thereby impeding the full development of the human person and the effective participation of all workers in the political, economic and social organisation of the country. Art. 10. (...) The legal status of foreigners is regulated by law in conformity with international provisions and treaties. (...)
Article 21 - Non-discrimination