UN R138 UN R138 reconciliation with UN R51 Clarifications 1958 Agreement · UN Regulations GRBP 83

Develop a handshake between UN R51 and UN R138 to resolve inconsistencies.

UN R41 UN R41: New series of amendments New Requirements 1958 Agreement · UN Regulations GRBP 81

New series of amendments to update the real-driving ASEP limits.

UN R51 UN R51: Add provisions to address electric vehicles New Requirements 1958 Agreement · UN Regulations GRBP 83

Update UN R51 to reconcile with UN R138 on AVAS minimum sound levels.

UN R51 UN R51: New series of amendments New Requirements 1958 Agreement · UN Regulations GRBP 87

Initiative to develop a new series of amendments to update real-driving additional sound emission provisions requirements based on evidence from the monitoring phase of RD-ASEP implementation.