Bulgaria - 1990 Party Law

Title Article 12
Chapter Chapter Two Establishment, Rights and Obligations of Political Parties
Article

12

(1) Political parties may not establish their own organizations at enterprises, offices or any other organizations, or interfere in their management and activity.
(2) Political parties may not establish childrens' or minors' organizations.
(3) Parties may establish their own organizations, clubs and other associations on the grounds of professional and other interests, on a territorial principle and by place of residence.

Categories - Extra-parliamentary party (Organizational structure)