Validity of provision deriving from secondary legislation Validity of provision deriving from secondary legislation Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 27 para. 16(2)(a)(b) substituted for words by Counter-Terrorism and Sentencing Act 2021 Sch. 13 para. 43(8) 20Paragraph 20 Validity of provision deriving from secondary legislation