Water and Sewerage Services (Northern Ireland) Order 1973 Water and Sewerage Services (Northern Ireland) Order 1973 Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 17 para. 70 repealed by Investigatory Powers Act 2016 Sch. 10 Pt. 8 46Paragraph 46 Water and Sewerage Services (Northern Ireland) Order 1973