Article 9Trade unions, employers' associations, and vocational associations shall be established and shall carry out their activity according to their statutes, according to the law. They shall contribute to the protection of rights and the promotion of their members' vocational, economic, and social interests. Article 31(1) A person's right of access to any information of public interest shall not be restricted. (2) The public authorities, according to their competence, shall be bound to provide correct information to the citizens in public affairs and matters of personal interest. (3) The right to information shall not be prejudicial to the measures of protection of young people or national security.Article 39Public meetings, processions, demonstrations or any other assembly shall be free and may be organized and held only peacefully, without arms of any kind whatsoever.Article 40(1) Citizens may freely associate into political parties, trade unions, employers' associations, and other forms of association. (2) The political parties or organizations which, 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 advocates of the people, magistrates, active members of the Armed Forces, policemen and other categories of civil servants, established by an organic law, shall not join political parties. (4) Secret associations are prohibited.