http://www.legislation.gov.uk/ukpga/1967/9/section/84/enactedGeneral Rate Act 1967Land drainageBusiness ratesLegislationDistrict councilsKing's Printer of Acts of Parliament2022-01-27 PART V 84 The contents of a valuation list as for the time being in force, or an extract from any such list, may be proved by the v production of a copy of the list or of the relevant part thereof purporting to be certified by the clerk of the rating authority to be a true copy.