| IWG-R51/R59-04-16 | IWG-R51/R59 working draft for the 03 series of amendments to UN Regulation No. 51 | |
| IWG-R51/R59-04-18 | UK comments on the IWG-R51/R59 draft 03 series of amendments to UN R51 | |
| IWG-R51/R59-04-20 | UK comments on the transitional provisions of the IWG-R51/R59 draft 03 series of amendments to UN R51 | |
| IWG-R51/R59-04-21 | Japan comments on the IWG-R51/R59 draft 03 series of amendments to UN R51 | |
| IWG-R51/R59-04-22 | Footnote list for Annex 1 of the IWG-R51/R59 draft 03 series of amendments to UN R51 |