26. The expert from EC recalled ECE/TRANS/WP.29/GRSG/2010/13 extending the scope of Regulation No. 58 to certain categories of vehicles. The secretariat pointed out that the transitional provisions did not follow the UNECE guidelines on transitional provisions. The expert from OICA recalled GRSG-98-11 proposing alternative transitional provisions to ECE/TRANS/WP.29/GRSG/2010/13. The expert from the Netherlands introduced GRSG-99-02 amending ECE/TRANS/WP.29/GRSG/2010/13 for the specific case of vehicle categories O1 and O2. GRSG agreed to resume consideration of this item on the basis of a revised proposal from EC taking into account the comments made. The expert from Germany announced that he would present at the next session of GRSG a draft proposal on the dynamic testing of rear underun protection devices.

27. The expert from the United Kingdom informed GRSG that several research reports on commercial vehicle safety had been recently released in his country, in particular on rear underrun protection for heavy goods vehicles. He added that the Internet addresses of these reports may be found in GRSG-99-21.