# Parliamentary Voting System and Constituencies Act 2011, Paragraph 5


(1) The ballot of every voter is to consist of a ballot paper, which is to be printed in the form set out in Form 1 in Part 2 of this Schedule and according to the directions specified in that Part.
(2) Each ballot paper—
(a) must set out the question as specified in section 1;
(b) must be capable of being folded up;
(c) must have a number and other unique identifying mark printed on the back.

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Source: https://www.legislation.gov.uk/ukpga/2011/1/schedule/2/paragraph/5 (the official version)
Page: https://openlegislation.uk/parliamentary-voting-system-and-constituencies-act-2011/schedule-2/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.