25. GRBP took note of the Task Force on Vehicle Sound (TF VS) status report (GRBP-81-34-Rev.1).

26. The expert of TF VS also introduced considerations on the use of existing road traffic noise models in different countries to enable GRBP to evaluate effects of vehicles and draft amendments to UN Regulations on real urban traffic (GRBP-81-28). GRBP noted this presentation.