# Parliamentary Constituencies Act 1986, Paragraph 3


(1) Each constituency shall be wholly in one of the four parts of the United Kingdom (England, Wales, Scotland and Northern Ireland).
(2) The number of constituencies in each part of the United Kingdom shall be determined in accordance with the allocation method set out in rule 8.

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Source: https://www.legislation.gov.uk/ukpga/1986/56/schedule/2/paragraph/3 (the official version)
Page: https://openlegislation.uk/parliamentary-constituencies-act-1986/schedule-2/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.