Mark users of VPI European Rail Service GmbH (VERS) are all companies that have successfully passed through an assessment/certification process of VERS and/or are recipients of the VPI European Maintenance Guide (VPI-EMG). 

The permission for use is bound to the validity of the approval/certificate or the receipt of the VPI-EMG and is in all cases non-exclusive and non-transferrable. In the event of changes to the scope of the assessment/certification, the mark user must adapt the content of statements if necessary. The mark user is not entitled to issue licenses of any kind to the marks or to permit third parties to use the marks in any form.