# The Criminal Procedure Rules 2025, Rule 4.12: Proof of service

Extent: E+W

The person who serves a document may prove that by signing a certificate explaining how and when it was served.

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Source: https://www.legislation.gov.uk/uksi/2025/909/rule/4.12 (the official version)
Page: https://openlegislation.uk/criminal-procedure-rules-2025/rule-4.12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.