18. As a follow-up of WP.29-175-30, the expert from India introduced GRSG-115-38 to align UN GTR No. 6 on the optional use of laminated-glass panes with improved mechanical properties especially those for the front, exterior, forward-facing glazing of the upper deck of a double-deck vehicle. GRSG welcomed the proposal and agreed to resume consideration at its next session in April 2019. The secretariat was requested to circulate GRSG-115-38 with an official symbol.

20. The expert from India introduced ECE/TRANS/WP.29/GRSG/2019/35 to align UN Global Technical Regulation (GTR) No. 6 with UN Regulation No. 43 on the optional use of laminated-glass panes with improved mechanical properties, particularly for the front, exterior, forward-facing glazing of the upper deck of a double-deck vehicle. He highlighted that the document had already been considered at the last GRSG session.

21. GRSG adopted ECE/TRANS/WP.29/GRSG/2019/35 and requested the secretariat to submit it to AC.3 as draft amendment to UN GTR No. 6 for consideration at its March 2020 sessions. The expert from India was invited to provide the secretariat with a technical report that would accompany the proposal within the deadline for the 180th WP.29 session (9 December 2019)

24. The expert from OICA questioned whether the amendments to UN GTR No. 6 (see paras 20 and 22 above) would require for parallel amendments to UN Regulation No. 43. Upon request by the Chair, the expert from OICA agreed to prepare a related proposal for the next session.

25. GRSG agreed to resume discussions on amendments to UN Regulation No. 43 based on a proposal to be submitted by OICA at its next session.

21. The expert from India introduced ECE/TRANS/WP.29/GRSG/2019/4 to align UN Global Technical Regulation (GTR) No. 6 with UN Regulation No. 43 on the optional use of laminated-glass panes with improved mechanical properties, particularly for the front, exterior, forward-facing glazing of the upper deck of a double-deck vehicle. The expert from Germany raised concern on the justification in the document.

23. GRSG agreed to resume consideration of these subjects at its October 2019 session. The experts from Germany and India volunteered to prepare revised official documents to that end. The expert from India also offered to review the authorization to develop Amendment 2 to UN GTR No. 6 and to follow up on the necessary procedure at the next sessions of the Executive Committee AC.3 of the 1998 Agreement.