19. The expert from Germany recalled the discussion at the previous session of GRSG on ECE/TRANS/WP.29/GRSG/2011/19 proposing to insert into UN Regulation No. 58 more stringent requirements for rear under run protection devices. He reported on the outcome of the recent ad hoc group meeting and announced the intention to undertake, in early 2013, a cost-benefit analysis on this subject. GRSG agreed to resume consideration at its next session in April 2013, on the basis of a revised proposal to be submitted by Germany taking into account the results of the cost-benefit analysis.

30. The expert from FIA presented GRSG-104-49 underlining the need to review the requirements of UN Regulation No. 58 for an improved and effective passenger vehicle occupant protection in the event of a rear impact with a heavy duty vehicle. He also introduced the position of his organization on this subject (GRSG-104-50). GRSG welcomed that information.

31. Recalling the discussion on ECE/TRANS/WP.29/GRSG/2011/19 at the previous session of GRSG, the expert from Germany gave some preliminary information (GRSG-104-51) on a cost-benefit analysis carried out in Germany on this subject. He volunteered to send the final report of the study, once published, to all GRSG experts. GRSG agreed to resume consideration at its next session in October 2013, on the basis of a revised proposal to be submitted by Germany taking into account the results of the cost-benefit analysis.