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(1) Political parties shall participate in the formation of the political will of the people. They may be freely established. Their internal organization must conform to democratic principles. They must publicly account for their assets and for the sources and use of their funds as well as assets.
(2) Parties which, by reason of their aims or the behavior of their adherents, seek to impair or destroy the free democratic basic order or to endanger the existence of the Federal Republic of Germany are unconstitutional. The Federal Constitutional Court decides on the question of unconstitutionality.
(3) Details are regulated by federal legislation.