London Building Acts (Amendment) Act 1939 (c. xcvii) London Building Acts (Amendment) Act 1939 (c. xcvii) Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 21 para. 73 repealed by Criminal Justice and Immigration Act 2008 Sch. 28 Pt. 8 21Paragraph 21 London Building Acts (Amendment) Act 1939 (c. xcvii)