| GRB-67-11 | Presentation on indoor pass-by noise testing | |
| GRB-67-14 | UN R51: Proposal for a corrigendum to the draft Supplement 3 to the 03 series | |
| GRB-67-15/Rev.1 | Status report of the ASEP II informal group to GRB-67 | |
| GRB/2018/2 | Proposal for Supplement 4 to the 03 series of amendments to Regulation No. 51 | |
| GRB/2018/3 | Proposal for Supplement 4 to the 03 series of amendments to Regulation No. 51 |