25 January 2011 Revised proposal for amendments to Regulation No. 92 (Italy) GRB-53-02	GRB-53-02	2011-01-25
8 July 2011 Proposal for 01 series of amendments to Regulation No. 92 (Italy) GRB/2011/10	GRB/2011/10	2011-07-08
9 September 2011 Changes to the Italian Proposal for the 01 series of amendments to R92 (Germany) GRB-54-04	GRB-54-04	2011-09-09
16 September 2011 Proposal for draft amendments to titles of UN Regulations related to vehicle and tyre noise emissions (Russia) GRB-54-05	GRB-54-05	2011-09-16
30 December 2011 Proposal for the 01 series of amendments to Regulation No. 92 WP.29/2012/5	WP.29/2012/5	2011-12-30