3. Review of the list on supplement amendments to ECE R51.03 to be sent as Informal Document to GRB
Additional amendments to the draft 03 series of amendments to UN R51
Reference Number: IWG-R51/R59-04-23
Prepared as an informal document for the 60th Working Party on Noise (GRB) session for discussion by the R51/59 informal working group at its 4th session.