21. GRSG noted the consent of the World Forum for Harmonization of Vehicle Regulations (WP.29) on the extension of the mandate of the Informal Group on Plastic Glazing (IGPG). The expert from Germany, chairing IGPG, presented GRSG-105-09 on the work progress made by the group during its seventh meeting in June 2013. He also reported on the progress made in the two subgroups developing a wiper test and the Taber test. He informed GRSG that the Round Robin tests were expected for October 2013. He announced the intention of IGPG to convene again in Paris on 27-28 November 2013 in order to prepare a concrete proposal for amendments to UN Regulation No. 43 for consideration at the next GRSG session.

22. The expert from Germany introduced GRSG-105-24 proposing an amendment to UN Regulation No. 43 to cope the difficulties of technical services located at high altitudes to fulfil the barometric pressure conditions required for the impact test. GRSG noted some comments and agreed to resume consideration of this subject at its next session. For this purpose, the secretariat was invited to distribute GRSG-105-24 with an official symbol.