The Constitution of Romania
amended and completed by the Law No. 429/2003 on the revision of the Constitution of Romania, published in the Official Gazette of Romania, Part I, No. 758 of 29 October 2003

Right of association

(1) Citizens may freely associate into political parties, trade unions, employers' associations, and other forms of association.
(2) The political parties or organizations that, by their aims or activity, militate against political pluralism, the principles of a State governed by the rule of law, or against the sovereignty, integrity or independence of Romania shall be unconstitutional.
(3) Judges of the Constitutional Court, the ombudsmen, magistrates, active members of the Armed Forces, police officers and other categories of civil servants, established by an organic law, shall not join political parties.
(4) Secret associations are prohibited.