Croatia - 1993 Party Law

Title Article 6
Chapter II. Establishment and Registration of Political Parties
Article

6

A political party may be established by at least 100 adults who are the citizens of the Republic of Croatia and who have business capacity.
A member of a political party may be every adult who is a citizen of the Republic of Croatia and who has business capacity on the same conditions provided by the statutes.

Categories - Extra-parliamentary party (Membership organization)
- Extra-parliamentary party (Registration reqs.)