# The Citizens' Rights (Frontier Workers) (EU Exit) Regulations 2020, Paragraph 3

Extent: E+W+S+N.I.

Where a frontier worker has received a custodial sentence, or is a persistent offender, the longer the sentence, or the more numerous the convictions, the greater the likelihood that the individual's continued presence in the United Kingdom represents a genuine, present and sufficiently serious threat affecting the fundamental interests of society.

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Source: https://www.legislation.gov.uk/uksi/2020/1213/schedule/paragraph/3 (the official version)
Page: https://openlegislation.uk/citizens-rights-frontier-workers-eu-exit-regulations-2020/schedule/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.