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

Addendum to document GRB/2018/10 to introduce transitional provisions for submission to the WP.29 March 2019 session.

ASEP II informal group text to correct reference in Supplement 3 to the 03 series of amendments to UN Regulation No. 51. The proposed amendment is based on document ECE/TRANS/WP.29/2018/7, which was adopted by the Working Party 29 at its 174th session.

ASEP II informal group text to correct a mistake introduced in Supplement 4 to the 03 series of amendments to UN Regulation No. 51. The proposed amendment is based on document ECE/TRANS/WP.29/2018/63, which was adopted by the Working Party 29 at its 175th session.

ASEP II informal working group draft text to introduce transitional provisions for Supplements 4 and 5 in line with the transitional provisions of the Supplement 3 to the 03 series of amendments to UN Regulation No. 51, to correct a reference, and to clarify the requirements for stationary sound.

Proposal for Additional Real Driving Sound Emission provisions.

MS Outlook email message from the informal group secretary.

Presentation regarding the the national regulation in the Netherlands on delivery noise of trucks.

Vehicle categories M₁, N₁, and L₃.

ASEP informal group report on the effort to provide clarification and guidance on the interpretation and application of paragraph 6.2.3. last sentence of UN R51.03 (“The sound emission of the vehicle under typical on-road driving conditions, which are different from those under which the type-approval test set out in Annex 3 and Annex 7 was carried out, shall not deviate from the test result in a significant manner.”)

ASEP informal group discussion paper on interpretation of the provision “The sound emission of the vehicle under typical on-road driving conditions, which are different from those under which the type-approval test set out in Annex 3 and Annex 7 was carried out, shall not deviate from the test result in a significant manner.”

OICA discussion paper as further developed by the ASEP informal group on interpretation of the provision “The sound emission of the vehicle under typical on-road driving conditions, which are different from those under which the type-approval test set out in Annex 3 and Annex 7 was carried out, shall not deviate from the test result in a significant manner.”

Terms of reference as adopted by GRB and reproduced in Annex III of the GRB-62 session report.

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.

Updated ASEP II informal group version.