# The Data Retention Regulations 2014, Paragraph 5: Data necessary to trace and identify the source of a communication

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

(1) The calling telephone number.
(2) The name and address of the subscriber or registered user of any such telephone.

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Source: https://www.legislation.gov.uk/uksi/2014/2042/schedule/paragraph/5 (the official version)
Page: https://openlegislation.uk/data-retention-regulations-2014/schedule/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.