GRB-54-03
German Position on new limit values for 03 series of amendments to R51 (Germany)
GRB-57-07
UN R51: Sub-categories table suggestion from China (CATARC)
GRB-57-19
OICA position on Vehicle Classification, Limits and Dates in UN Regulation No. 51.03 (OICA)
GRB-57-23
Vehicle Noise: Analysis of Swiss database and EC, Germany, and Japan noise proposals (FOEN)
GRB-58-04
Proposal for the 03 series of amendments to Regulation No. 51
GRB-58-06
Proposal for draft 03 series of amendments to Regulation No. 51 (Japan)
GRB-58-06/Rev.1
Revised proposal for draft 03 series of amendments to Regulation No. 51 (Japan)
GRB-58-08
Comments on Japanese noise-limit value suggestion of commercial vehicles (China)
GRB-58-09
Noise limit values in draft Chinese regulation GB 1495 and UN R51 values (China)
GRB-58-10
Noise-limit values and Chinese vehicle categories (CATARC)
GRB-58-14
Categorization of Light N1 Vehicles (JASIC)
GRB-58-17
Proposal for the 03 series of amendments to Regulation No. 51
GRB-58-17/Rev.1
Proposal for the 03 series of amendments to Regulation No. 51: Revised
GRB/2012/7
Proposal for the 03 series of amendments to Regulation No. 51 (Japan)