30. The expert from ETRTO proposed inserting new tyre sizes in Annex 5 of UN Regulation No. 54 (ECE/TRANS/WP.29/GRRF/2013/19). GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2014 sessions as draft Supplement 19 to UN Regulation No. 54.

31. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2013/26, proposing to correct the text of UN Regulation No. 54. GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2014 sessions as draft Corrigendum 6 to UN Regulation No. 54.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2013/20 and sought guidance. The expert from IMMA proposed to collaborate with ETRTO on this subject. GRRF noted, the amendments proposed in ECE/TRANS/WP.29/GRRF/2013/22 were linked to this item. GRRF agreed to resume consideration of this subject at its next session on the basis of a revised proposal by the expert from ETRTO.

33. The expert from ETRTO presented ECE/TRANS/WP.29/GRRF/2013/21, proposing a clarification of “the second load/speed performance” test. GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2014 sessions as draft Supplement 14 to UN Regulation No. 75.

34. The expert from ETRTO proposed to insert new tyre sizes in Annex 5 of UN Regulation No. 106 (ECE/TRANS/WP.29/GRRF/2013/23). GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2014 sessions as draft Supplement 11 to the original version of UN Regulation No. 106.

35. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2013/24. GRRF noted that the proposed amendments to paragraph 3.1.13. need clarifications and agreed to revisit this item at its next session on the basis of a revised proposal by the expert from ETRTO.