31 January 2011 Changes to the IG Proposal for the draft 04 series of amendments to Regulation No. 41 (GRB-2011-03) (Germany) GRB-53-08	GRB-53-08	2011-01-31
9 April 2011 Competition launched to develop solutions for tampering prevention on L-category vehicles (EC) GRSG-100-18	GRSG-100-18	2011-04-09
15 April 2011 Proposal for the 04 series of amendments to Regulation No. 41 WP.29/2011/62	WP.29/2011/62	2011-04-15
25 May 2011 Amendments to the proposal for the 04 series of amendments to Regulation No. 41 (IMMA) WP.29-154-04	WP.29-154-04	2011-05-25
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