# The Railways (Interoperability) Regulations 2011, Paragraph 2.6


Submission
A copy of the technical file accompanying the UK declaration of verification must be kept by the project entity throughout the service life of the subsystem.
The documentation submitted for an application for an authorisation for placing in service shall be submitted to the Safety Authority.

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Source: https://www.legislation.gov.uk/uksi/2011/3066/schedule/4/paragraph/2.6 (the official version)
Page: https://openlegislation.uk/railways-interoperability-regulations-2011/schedule-4/paragraph-2.6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.