§ § 5Members of political party

(1) An Estonian citizen who has active legal capacity and has attained 18 years of age may be a member of a political party. A citizen of the European Union who is not an Estonian citizen, but has permanent residence in Estonia, has active legal capacity and has attained 18 years of age may also be a member of a political party. A person may be a member of only one political party at a time.
[RT I 2006, 52, 384 – entry into force 10.12.2006]
(2) Membership in, the leaving of and exclusion from a political party is regulated by the Non-profit Associations Act, unless otherwise provided for in this Act.
(2¹) In order to become a member of a political party, a person must submit a written application to the political party. In order to leave a political party, a member of the political party must submit a written application to the political party or to the registration department of Tartu County Court (hereinafter registration department). The rights and duties of a member of a political party come into effect as of registration in the list of the members of the political party and terminate as of making a notation in the list regarding the termination of membership in the political party, except in the event specified in clause 4 of subsection 3 of § 81 of this Act.
[RT I, 21.06.2014, 8 – entry into force 01.01.2015]
(3) The following persons may not be members of a political party:
1) the Chancellor of Justice and their advisors;
2) the Auditor General and the chief auditor of the National Audit Office;
3) judges;
4) prosecutors;
5) police officers;
6) members of the Defence Forces in active service.
7) [repealed – RT I 2009, 62, 405 – entry into force 01.01.2010]
(4) The President of the Republic will suspend his or her membership in a political party for the duration of the term of office.
(5) Political parties cannot have collective members.