Version of the proposed 03 series of amendments to UN R51 that consolidates the latest changes agreed within GRB (GRB/2005/2/Rev.2, all “method B” amendments, including WP.29/2011/64, and the Additional Sound Emission Provisions (ASEP)).

Version of the proposed 03 series of amendments to UN R51 based on GRB/2012/2 (consolidated version of the O3 series as agreed by GRB to date) but incorporating further improvements as proposed in GRB-54-05 and GRB-54-06 from the previous GRB session.