(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.