100. On behalf of the GRPE Chair, the representative of EU introduced a proposal requesting authorization to amend UN GTR on WLTP, just adopted (see para. 77 above), and to extend the mandate of the IWG to June 2016 in order to develop Phase 1(b) of the UN GTR (ECE/TRANS/WP.29/2014/30). The proposal included an outline of the forthcoming activities, a road map and the structure of the IWG on WLTP. He explained that the remaining open issues had been resolved at the GRPE session held in Geneva on 14 November 2013. AC.3 adopted ECE/TRANS/WP.29/2014/30 and extended the mandate of the IWG until June 2016. AC.3 requested the secretariat to prepare the corresponding AC.3 authorization to amend the UN GTR and to transmit it to GRPE.