27 Oct 2009	Report of the 50th GRB session	GRB/48	2009-10-27
7 Jul 2009	Draft proposal for changes to document GRB-2005-02/Rev.2 (R51.03) in order to incorporate the Additional Sound Emission Provisions	GRB-50-01	2009-07-07
3 Sep 2011	NL Proposal for Amending Reg 51-3 Annex 3 (Netherlands)	GRB-50-06	2011-09-03
1 Sep 2009	Comments and suggestions on the ETRTO proposal (STD-02-02) for draft amendments to Regulation No. 117 (Russia)	GRB-50-07	2009-09-01
2 Sep 2009	A Study on Approach Audible System for Hybrid Vehicles and Electric Vehicles: Second Report - (JASIC)	GRB-50-08	2009-09-02
2 Sep 2009	Quieter Cars and the Safety of Blind Pedestrians (NHTSA, US EPA, and SAE)	GRB-50-09	2009-09-02
22 Jun 2009	Proposal for draft amendments to Regulation No. 59: Revision 2 (CLEPA)	GRB/2008/5/Rev.2	2009-06-22
22 Jun 2009	Proposal for draft 04 series of amendments to Regulation No. 41	GRB/2009/3	2009-06-22
22 Jun 2009	Proposal for amendments to Regulation No. 51 (Netherlands)	GRB/2009/4	2009-06-22
22 Jun 2009	Proposal for amendments to Regulation No. 51 (Netherlands)	GRB/2009/5	2009-06-22
29 Jul 2009	Proposal for amendments to Regulation No. 51 (OICA)	GRB/2009/6	2009-07-29