# The Neighbourhood Planning (Referendums) Regulations 2012, Paragraph 9: The official mark


(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/ukdsi/2012/9780111525050/schedule/3/paragraph/9 (the official version)
Page: https://openlegislation.uk/draft-neighbourhood-planning-referendums-regulations-2012/schedule-3/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.