# Parliamentary Voting System and Constituencies Act 2011, Paragraph 18


The ballot papers used for the referendum must be of a different colour from the ballot papers used for the Assembly elections.

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Source: https://www.legislation.gov.uk/ukpga/2011/1/schedule/6/paragraph/18 (the official version)
Page: https://openlegislation.uk/parliamentary-voting-system-and-constituencies-act-2011/schedule-6/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.