# Parliamentary Voting System and Constituencies Act 2011, Paragraph 12


The ballot papers used for the referendum and for each relevant election must be of a different colour.

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Source: https://www.legislation.gov.uk/ukpga/2011/1/schedule/8/paragraph/12 (the official version)
Page: https://openlegislation.uk/parliamentary-voting-system-and-constituencies-act-2011/schedule-8/paragraph-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.