§ 86 Verbreiten von Propagandamitteln verfassungswidriger Organisationen
English summary:
Items that are used for making propaganda for a party or group which is classed as unconstitutional or forbidden, even if they act outside Gemany, may not be spread inside Germany. This applies for items made to propagate ideas that correspond with the ideas of the "Third Reich". They might not be made, kept, imported or exported. The punishment may be prison (up to three years) or money. This does not apply if those items are used in order to inform others, repel actions that are aimed against the constitution, if they are used in art, science, research, teaching, or to report about historical events or similar purposes.
§ 86a Verwenden von Kennzeichen verfassungswidriger Organisationen
English summary:
If you use or show symbols or signs used by parties or groups that can be classified as unconstitutional, or if you manufacture, keep, export or import those, you may be punished (three years imprisonment or money). You may not use or spread items that display or contain those signs or symbols, e.g. flags, insignia, uniforms (or parts of uniforms), mottos and forms of greeting. You may also not use or spread signs or symbols that look similar to those. This does not apply if those items are used in order to inform others, repel actions that are aimed against the constitution, if they are used in art, science, research, teaching, or to report about historical events or similar purposes.