(1)A person who uses threatening words or behaviour, or displays any written material which is threatening, is guilty of an offence if he intends thereby to stir up religious hatred.
(2)An offence under this section may be committed in a public or a private place, except that no offence is committed where the words or behaviour are used, or the written material is displayed, by a person inside a dwelling and are not heard or seen except by other persons in that or another dwelling.
(3)A constable may arrest without warrant anyone he reasonably suspects is committing an offence under this section.
(4)In proceedings for an offence under this section it is a defence for the accused to prove that he was inside a dwelling and had no reason to believe that the words or behaviour used, or the written material displayed, would be heard or seen by a person outside that or any other dwelling.
(5)This section does not apply to words or behaviour used, or written material displayed, solely for the purpose of being included in a programme service.