# The Local Authorities (Conduct of Referendums)(England) Regulations 2012, Rule 9: The official mark

Extent: E+W

(1) Every ballot paper must contain an appropriate security marking (the official mark).
(2) The official mark must be kept secret.
(3) The counting officer may use a different official mark for different purposes at the same referendum.

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Source: https://www.legislation.gov.uk/uksi/2012/323/schedule/3/rule/9 (the official version)
Page: https://openlegislation.uk/local-authorities-conduct-of-referendumsengland-regulations-2012/schedule-3/rule-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.