 Strafgesetzbuch section 86a rather strictly prohibits the public display of "symbols of unconstitutional organizations" such as the NSDAP and affiliates.Materials written or printed by organizations ruled to be anti-constitutional, like the NSDAP or the Red Army Faction (Baader-Meinhof Gang), have also been placed on the index.Public Holocaust denial is also prohibited and may be severely punished with up to five years in prison.