International Railway Industry Standard (IRIS) Revision 03 (ISO/TS 22163:2017)

Railway applications – Quality Management System – Business Management System requirements for rail organisations: ISO 9001:2015 and particular requirements for application in the rail sector
(IRIS Revision 03 looses its validity per September 30th, 2025 and will be replaced by IRIS Certification® rev.04.)


Proof of compliance with the rules and regulations for rail vehicle manufacturers and rail operators.


ISO/TS 22163 serves to improve the quality and safety in the entire supply chain of the rail vehicle industry. It is applicable for companies with product development-, manufacturing- and maintenance activities along the entire supply chain. The aim is a continuous improvement with emphasis on error prevention and -reduction in the supply chain as well as the improvement and maintenance of product quality and its safety aspects.

Target groups

Companies and organisations in the rail vehicle industry.


3 years - there is an annual audit to ensure that standards are being maintained and a recertification audit after 3 years.


The certificate is published on and is internationally valid.


The standard includes the requirements of ISO 9001:2015 and ISO/TS 22163:2017 and can be combined with all regulations and standards.

Lead Auditor
Fatih Haciismailogullari
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