At its previous session, GRBP adopted proposals for draft Supplement 11 to the 03 series of amendments to UN Regulation No. 51 (ECE/TRANS/WP.29/GRBP/2025/20 as amended by GRBP-82-07, GRBP-82-22, GRBP-82-23) and agreed to freeze them, awaiting other amendment proposals before transmission to WP.29 and the Administrative Committee (AC.1) (ECE/TRANS/WP.29/GRBP/80, para. 8).
| GRBP-82-07 | UN R51: Proposal for a Supplement to 03 series of amendments | |
| GRBP-82-22 | UN R51: Proposal for Supplement to 03 Series of amendments | |
| GRBP-82-23 | UN R51: Proposal for correction to 03 series of amendments | |
| GRBP/2025/20 | UN R51: Proposal for corrections to the 03 series of amendments |