25. The expert from ETRTO presented a minor amendment to UN Regulation No. 106 (ECE/TRANS/WP.29/GRRF/2012/20). GRRF adopted this document and requested the secretariat to submit it to WP.29 and AC. 1 as Supplement 10 to UN Regulation No. 106.

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.

35. The expert from IMMA recalled GRRF-76-38 analysing the possible alternatives to type approve AT tyres, taking into account the technical requirements in UN Regulations Nos. 54, 75 and 106. He introduced ECE/TRANS/WP.29/GRRF/2014/24 proposing the insertion of AT tyres in UN Regulation No. 106 as an alternative to the ETRTO proposal above.

36. Following the discussion GRRF adopted ECE/TRANS/WP.29/GRRF/2013/22 and ECE/TRANS/WP.29/GRRF/2013/20 as amended by GRRF-76-06, GRRF-78-45 and GRRF-78-46 and as reproduced in Annex V. The secretariat was requested to submit them to WP.29 and AC.1 for consideration at their March 2015 sessions as draft Supplement 12 to UN Regulation No. 106 and Supplement 15 to UN Regulation No. 75, respectively.