Estonia - 2010 Party Law

Title Article 9(1) Participation and voting in general meeting of political party
Chapter Chapter 2 Foundation and Organisation of Activities of Political Parties
Article

9

A member of a political party or, in the cases prescribed in the statutes, a representative of a member who is granted an unattested proxy may participate and vote in the general meeting of the political party. Only another member of the political party may be a representative.

Categories - Extra-parliamentary party (Membership organization)
Source Source: http://kasulik.info/wlex/wLex/13278640.html