| GRVA/2019/12 | UN R139: Proposal for a Supplement | |
| GRVA-02-10 | UN R13: Proposal for a Supplement to the 11 series of amendments | |
| GRVA-02-29 | UN R139: Agreed amendments to GRVA/2019/12 | |
| GRVA-02-25 | UN R13-H: Proposal for a Supplement to the 01 series of amendments |