146. The representative of the EU updated AC.3 on the latest progress on the development of UN GTR No. 15. He explained that IWG on WLTP was drafting Amendment 6 to UN GTR No. 15, which reflected some modifications made within the transposition of UN GTR No. 15 into a UN Regulation. He stated this transposition process had taken significant resources from IWG on WLTP.