| GRPE-66-01/Rev.2 | Informal meetings to be held in conjunction with the GRPE session proper | |
| GRPE-66-14/Rev.1 | Updated general information from the UNECE Secretariat concerning GRPE meetings | |
| GRPE-66-18/Rev.3 | Revised annotated provisional agenda for the 66th GRPE session | |
| GRPE/2013/5 | Annotated provisional agenda for the 66th GRPE session | |
| GRPE/2013/5/Corr.1 | Corridendum to the annotated provisional agenda for the 66th GRPE session |