The Weights and Measures Act 1963 (c. 31) The Weights and Measures Act 1963 (c. 31) Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 9 para. 7(3) (4) repealed by Fireworks Act 2003 Sch. 56Paragraph 56 The Weights and Measures Act 1963 (c. 31)