Portugal - 1989 Constitution

Part IV - Safeguards and Revision of the Constitution - II - Revision of the Constitution
Title Article 288
Article

288

Laws revising this Constitutional shall respect:
i) Pluralism and expression in political organization, which shall include political parties and the right to democratic opposition;

Amendment Constitution: Article 290 (1976)
Categories - Democratic principles (Competition)
- Democratic principles (Pluralism)
Source Portuguese Electoral Commission (http://www.cne.pt)