http://www.legislation.gov.uk/nisi/1991/761/article/3The Financial Provisions (Northern Ireland) Order 1991texttext/xmlenStatute Law Database2013-03-262007-04-01Water and sewerage servicesAllocation of part of regional rate to water and sewerage services3F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .