8. The expert from Germany proposed to clarify the wording of paragraph 6.2.2. “Sound level limits” (GRB-65-01). GRB adopted this proposal, as contained in Annex II of the session report, and requested the secretariat to submit it to the World Forum for Harmonization of Vehicle Regulations (WP.29) and the Administrative Committee (AC.1) for consideration and vote at their June 2017 sessions as a draft Supplement 2 to the 03 series of amendments to Regulation No. 51.

12. On behalf of the Informal Working Group (IWG) on Additional Sound Emission Provisions (ASEP), the expert from France introduced proposals for Supplement 2 to the 03 series of amendments to Regulation No. 51 (ECE/TRANS/WP.29/GRB/2017/2, GRB-65-25 and GRB-65-26). GRB adopted these proposals, as laid down in Annex III, and requested the secretariat to submit them to WP.29 and AC.1 for consideration and vote at their June 2017 sessions as a draft Supplement 2 to the 03 series of amendments to Regulation No. 51.