# The Extradition (Drug Trafficking) Order 1991, Paragraph 4


Upon request, the Parties shall facilitate or encourage, to the extent consistent with their domestic law and practice, the presence or availability of persons, including persons in custody, who consent to assist in investigations or participate in proceedings.

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Source: https://www.legislation.gov.uk/uksi/1991/1701/schedule/1/part/7/paragraph/4 (the official version)
Page: https://openlegislation.uk/extradition-drug-trafficking-order-1991/schedule-1/part-7/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.