# The Railways (Interoperability) Regulations 2011, Paragraph 1


General principles
“UK verification” means a procedure carried out by a project entity applying for an authorisation pursuant to regulation 6 or regulation 17, to demonstrate that the requirements of these Regulations and any NTSNs or relevant NTRs relating to a subsystem have been fulfilled and the subsystem may be authorised to be placed in service.

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Source: https://www.legislation.gov.uk/uksi/2011/3066/schedule/4/paragraph/1 (the official version)
Page: https://openlegislation.uk/railways-interoperability-regulations-2011/schedule-4/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.