Proposal by the Informal Working Group (IWG) on Additional Sound Emission Provisions (ASEP) to correct a reference in Supplement 3 to the 03 series of amendments to UN R51.

Proposal by the Informal Working Group (IWG) on Additional Sound Emission Provisions (ASEP) to introduce transitional provisions in line with the transitional provisions in Supplement 3 and to reintroduce a sentence deleted by mistake in Supplement 4 to the 03 series of amendments to UN Regulation No. 51.

Proposal by the Informal Working Group on Additional Sound Emission Provisions (ASEP) to introduce transitional provisions for Supplements 4 and 5 to the 03 series of amendments to UN R51 (in line with the transitional provisions of Supplement 3), to correct a reference and to clarify the requirements for stationary sound.

Proposal by the Informal Working Group on Additional Sound Emission Provisions (ASEP) to introduce a transitional provision in line with the transitional provisions of Supplement 3. The new transitional provision should be added to the text of draft Supplement 5 to the 03 series of amendments to UN R51 which was adopted by the Working Party on Noise at its sixty-eighth session (GRB/2018/10).

Proposal to address comments on the adopted Supplement 4:

1. align the flowchart in the appendix to Annex 3, Figure 3c with the amendment to paragraph 3.1.2.1.4.1 (c) of Supplement 3 to the 03 series
2. amend Appendix to Annex 3, Table 1 to limit to pure electric vehicles the options to either use mechanical or electronic devices to control the gear shift or take measures to avoid accelerations greater than 2.0 m/s² (GRB/2018/2 and GRB-67-17)
3. under Annex 7, paragraph 5.2., align the principle of testing between automatic and manual transmission having more than 5 gears.