Výzkumný Ústav Železniční, a.s. (VUZ)

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Authorized / Notified Body

The Railway Research Institute, j.s.c. (VUZ) is an Authorized Body No. AO 258 and a Notified Body No. 1714 . The VUZ is authorized by the Czech Office for Standards, Metrology and Testing (UNMZ) to assess product conformity as defined by the Act No. 22/1997 Coll., on technical requirements on products, and based on the government regulation No. 133/2005 Coll., on technical requirements with regard operational and technical interoperability of European Railway System. The Advice note authorizing the VUZ to perform activities according to the decision above – a notification – was sent by the UNMZ to European Commission, Member States and Secretariat of the European Free Trade Association (EFTA).


Show the decision on granting the authorization 3/2017 - czech version of the document
Show the attached file No. 1 for granting the authorization - czech version of the document

Show the attached file No. 2 for granting the authorization - czech version of the document


Within the European Union the VUZ is eligible to assess conformity of defined products with technical requirements – conformity assessment of components of interoperability and eligibility to use them, if appropriate and verification of sub-system in relation to technical specification of interoperability. The acquirement of the mentioned status is a significant step in the process of involving the Czech Republic in the European railway system.

Scope of authorization is specified for structural sub-systems of European railway system as follows:

  • Rolling stock
  • Infrastructure
  • Trackside control-command and signalling
  • On Board control-command and signalling
  • Energy

The VUZ is publishing information on the activity of notified person in the Journal of transport issued by the Ministry of Transport of Czech Republic.

See the overview of issued certificates

VUZ - termination, suspension or withdrawal of certificates

If you are interested in certification of your products, please download:

Application for conformity assessment


In case of interest in more information please contact us

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registered in the Commercial Register of the Municipal Court in Prague, Section B, Insert 10025 - Contact us | References | Career
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