14. GRB considered ECE/TRANS/WP.29/GRRF/2013/9 for the next session of the Working Party on Brakes and Running Gear (GRRF). The document proposes wet grip provisions and testing procedures for tyres of categories C2 and C3. GRB endorsed ECE/TRANS/WP.29/GRRF/2013/9 without amendments.

27. GRB resumed consideration on ECE/TRANS/WP.29/GRB/2013/9 tabled by the expert from the Russian Federation. The expert from IMMA requested a study reservation on paragraph 8.8.21.2. including new categories of vehicles L6 and L7 not yet covered by UN Regulation No. 9. GRB agreed to resume consideration on this subject at its January 2014 session and for possible adoption of the proposal as a whole. Moreover, it was agreed to remove ECE/TRANS/WP.29/GRB/2012/12 and GRB-57-10 and GRB-57-11 from the agenda of the next meeting, awaiting possible new information from the ISO expert and revised proposals, if any.

29. Finally, GRB considered ECE/TRANS/WP.29/GRB/2013/9 tabled by the expert from the Russian Federation. GRB agreed, as proposed by the expert from IMMA, to delete, in the new paragraph 8.8.2.1.2., the references to new categories of vehicles L 6 and L 7 which are not yet covered by UN Regulation No. 9. Finally, GRB adopted ECE/TRANS/WP.29/GRB/2013/9, as amended by Annex III to this report. The secretariat was requested to submit it to WP.29 and AC.1 for consideration and vote at their June 2014 session as draft Amendment 5 to R.E.3.

74. The World Forum adopted ECE/TRANS/WP.29/2014/52 and requested the secretariat to publish the corresponding document.