17. Referring to informal document GRSG-103-29 superseding ECE/TRANS/WP.29/GRSG/2012/15, the Chair recalled the outcome of discussion at the previous session of GRSG on the new requirements for service doors, windows and emergency exits. The Chair of the informal group on the informal group on Service Doors, Windows and Emergency Exits in buses and coaches (SDWEE) introduced GRSG-104-22 containing a revised text for the amendments to UN Regulation No. 107. The experts from Germany, the Russian Federation and OICA introduced GRSG-104-05, GRSG-104-23 and GRSG-104-17 proposing some improvements to the proposed text.