Portugal - 1976 Constitution
| Part | Fundamental Principles |
| Title | Article 3 |
| Article |
3 (2) The political parties shall assist in bringing about the organisation and expression of the will of the people and shall respect the principles of national independence and political democracy. |
| Amendment |
Constitution: Article 10 (1982) |
| Categories |
- Activity and behaviour (Democracy) - Activity and behaviour (National sovereignty) - Democratic principles (Popular sovereignty) - Programme and identity (Democracy) - Programme and identity (National sovereignty) |
| Source | Portuguese Electoral Commission (http://www.cne.pt) |
