s 12 Support.
(1) A person commits an offence if— (a) he invites support for a proscribed organisation, and (b) the support is not, or is not restricted to, the provision of money or other property (within the meaning of section 15). (1A) A person commits an offence if the person— (a) expresses an opinion or belief that is supportive of a proscribed organisation, and (b) in doing so is reckless as to whether a person to whom the expression is directed will be encouraged to support a proscribed organisation. (2) A person commits an offence if he arranges, manages or assists in arranging or managing a meeting which he knows is— (a) to support a proscribed organisation, (b) to further the activities of a proscribed organisation, or (c) to be addressed by a person who belongs or professes to belong to a proscribed organisation. (3) A person commits an offence if he addresses a meeting and the purpose of his address is to encourage support for a proscribed organisation or to further its activities. (4) Where a person is charged with an offence under subsection (2)(c) in respect of a private meeting it is a defence for him to prove that he had no reasonable cause to believe that the address mentioned in subsection (2)(c) would support a proscribed organisation or further its activities. (5) In subsections (2) to (4)— (a) “ meeting ” means a meeting of three or more persons, whether or not the public are admitted, and (b) a meeting is private if the public are not admitted. (6) A person guilty of an offence under this section shall be liable— (a) on conviction on indictment, to imprisonment for a term not exceeding 14 years, to a fine or to both, or (b) on summary conviction, to imprisonment for a term not exceeding six months, to a fine not exceeding the statutory maximum or to both.