Law No. 27 of 26 April 1996
Political parties are associations of Romanian citizens having the right to vote, who participate freely in forming and exercising their political will, thus performing a public task guaranteed by the Constitution. They are legal persons governed by public law.
(3) Members of organisations of citizens belonging to national minorities which enter their candidates in the elections may belong to a political party.
(4) No one shall be compelled to belong or not to belong to a political party.
Source: Unofficial Translation