CEN/CENELEC/ETSI Joint Co-ordination Group

The JPCR is a joint co-ordination group of CEN, CENELEC and ETSI with participation of railway stakeholder organizations and in cooperation with the European Commission, its Railway Agency, and EFTA.
The Joint Presidents Group (JPG) of CEN/CENELEC/ETSI, asparent body, oversees the activities of JPCR.

http://www.etsi.org/WebSite/document/aboutETSI/cen-cenelec/jpcrtor.pdf