The Terrorism Act 2000 (Proscribed Organisations) (Amendment) Order 2021 adds both the Atomwaffen Division and the National Socialist Order (as an alias). It is a criminal offence for a person to belong to, or invite support for, a proscribed organisation. It is also a criminal offence to arrange a meeting to support a proscribed organisation; or to wear clothing or carry articles in public which rouse reasonable suspicion that an individual is a member or supporter of a proscribed organisation.
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