| GRBP/2019/24 | UN R41: Proposal for a Supplement to the 04 series of amendments | |
| GRBP/2019/25 | UN R41: Proposal for a Supplement to the 04 series of amendments | |
| GRBP/2019/25/Rev.1 | UN R41: Proposal for a Supplement to the 04 series of amendments |
GRBP will consider proposals submitted by the expert from IMMA which aim to correct an omission and to minimize a proliferation of approval numbers from models with differences in vehicle exhaust and silencing systems.