Suppression of Terrorism Act 1978 (c. 26) Suppression of Terrorism Act 1978 (c. 26) Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 15 para. 13 repealed by Justice and Security (Northern Ireland) Act 2007 Sch. 7 3Paragraph 3 Suppression of Terrorism Act 1978 (c. 26)