43. The expert from ETRTO presented ECE/TRANS/WP.29/GRRF/2015/31 proposing amendments related to Improved Flexion (IF) tyres and Very high Flexion (VF) tyres avoiding possible misunderstanding for the application of the EC Regulation No. 167/2013 that refers to Regulation No. 106. GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2016 sessions, as Supplement 13 to Regulation No. 106.