Estonia - 2010 Party Law

Title Article 9 Decision on registration of the statutes of political party
Chapter Chapter 2 Foundation and Organisation of Activities of Political Parties
Article

9

(2) A political party shall not be registered under the name of a political party that has already been entered in or deleted from the register.

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