The company NZ Rail s.r.o. obtained the Certificate of an Entity in Charge of Maintenance and the Certificate of Maintenance Functions, by which the certification body CertiWise confirms the recognition of the ECM maintenance system within the European Union in accordance with ERA 1172/003, based on European Commssion regulation nr. 2019/779. Every year, our company submits the ECM Annual Report to the certification body and undergoes supervisory audits.