47. Referring to the discussion held during the March 2012 session of WP.29 (ECE/TRANS/WP.29/1095, paras. 57-59), the expert from Japan introduced GRSP-51-18 reporting on the activities of the Informal Working Group on IWVTA and the role of the IWVTA ambassador in assisting the Working Parties (GRs). GRSP agreed to appoint the Japanese delegation as its ambassador and to await the outcome of the June 2012 session of WP.29 for detailed information on this matter.