| 20 May 2020 | GRPE-81: Schedule of informal meetings in conjunction with June 2020 GRPE proper session | GRPE-81-01 | 2020-05-20 | 
         
            | 10 Jun 2020 | GRPE-81: Updated annotated provisional agenda for the June 2020 session | GRPE-81-02/Rev.2 | 2020-06-10 | 
         
            | 11 Jun 2020 | GRPE-81: Updated annotated provisional agenda for the June 2020 session | GRPE-81-02/Rev.3 | 2020-06-11 | 
         
            | 8 May 2020 | GPRE-81: Running order of the agenda for the June 2020 session | GRPE-81-03 | 2020-05-08 | 
         
            | 2 Jun 2020 | GRPE-81: Information for remote participation in the June 2020 session | GRPE-81-04 | 2020-06-02 | 
         
            | 10 Jun 2020 | Special procedures for running the 81st GRPE session | GRPE-81-05 | 2020-06-10 | 
         
            | 9 Jul 2020 | GRPE priority issues list | GRPE-81-06/Rev.1 | 2020-07-09 | 
         
            | 10 Jun 2020 | WP.29 highlights of significance to GRPE | GRPE-81-07/Rev.1 | 2020-06-10 | 
         
            | 10 Jun 2020 | VIAQ informal group status report | GRPE-81-08 | 2020-06-10 | 
         
            | 9 Jul 2020 | Proposal for revised VIAQ informal group terms of reference | GRPE-81-09/Rev.1 | 2020-07-09 | 
         
            | 10 Jun 2020 | GTR 15: Proposal to amend sub23 nm particle provisions of the draft Amendment 6 | GRPE-81-10 | 2020-06-10 | 
         
            | 10 Jun 2020 | GTR 15: Explanatory note on sub23 nm particle proposals | GRPE-81-11 | 2020-06-10 | 
         
            | 10 Jun 2020 | Brake emissions protocol status update and proposal | GRPE-81-12 | 2020-06-10 | 
         
            | 10 Jun 2020 | Proposal to amend the PMP informal group terms of reference | GRPE-81-13 | 2020-06-10 | 
         
            | 11 Jun 2020 | GTR 15 : Proposal for revisions to the draft Amendment 6 (GRPE/2020/14) | GRPE-81-14 | 2020-06-11 | 
         
            | 11 Jun 2020 | GTR 15: Technical Report to Amendment 6 | GRPE-81-15 | 2020-06-11 | 
         
            | 11 Jun 2020 | RDE: Proposal for revision to proposed UN Regulation on real driving emissions (GRPE/2020/15) (EC and Japan) | GRPE-81-16 | 2020-06-11 | 
         
            | 11 Jun 2020 | RDE: IWG status report  (EU, Japan, and Korea) | GRPE-81-17 | 2020-06-11 | 
         
            | 11 Jun 2020 | UN R24: Proposal for amendments to Supplement 5 to the 03 series of amendments (CITA) | GRPE-81-18 | 2020-06-11 | 
         
            | 11 Jun 2020 | UN R83: Proposal for amendments to the 07 series of amendments (CITA) | GRPE-81-19 | 2020-06-11 | 
         
            | 11 Jun 2020 | WLTP: Status and Final report of IWG | GRPE-81-20/Rev.1 | 2020-06-11 | 
         
            | 11 Jun 2020 | UN R83: Proposal for amendments to the 05, 06 and 07 series of amendments (supersedes GRPE/2020/10) (OICA) | GRPE-81-21 | 2020-06-11 | 
         
            | 11 Jun 2020 | EPPR: Status report of IWG  (EC) | GRPE-81-22 | 2020-06-11 | 
         
            | 11 Jun 2020 | EPPR: Amendments to the terms of reference and rules of procedure for IWG  (EC) | GRPE-81-23/Rev.1 | 2020-06-11 | 
         
            | 11 Jun 2020 | UN GTR18: Proposal for Amendment 1 (supersedes GRPE/2020/17) | GRPE-81-24/Rev.2 | 2020-06-11 | 
         
            | 11 Jun 2020 | RDE: Template for UN Regulation on RDE reporting file | GRPE-81-26 | 2020-06-11 | 
         
            | 11 Jun 2020 | DEVP: List of amendments to proposal for a new UN GTR (GRPE/2020/12) | GRPE-81-27 | 2020-06-11 | 
         
            | 11 Jun 2020 | UN R24: Proposal  to exclude UN R24 from the scope of UN R49 -06 engine emissions (OICA) | GRPE-81-28 | 2020-06-11 | 
         
            | 9 Jul 2020 | WLTP:  Clarification of points regarding “UN Regulation WLTP“ | GRPE-81-29/Rev.1 | 2020-07-09 | 
         
            | 11 Jun 2020 | WLTP: Clarification of points regarding “UN Regulation WLTP“ (OICA) | GRPE-81-30 | 2020-06-11 | 
         
            | 11 Jun 2020 | PMP: IWG Status report | GRPE-81-31 | 2020-06-11 | 
         
            | 11 Jun 2020 | Status report of the EVE informal group | GRPE-81-32 | 2020-06-11 | 
         
            | 11 Jun 2020 | DEVP: Background to development of the new UN GTR | GRPE-81-33 | 2020-06-11 | 
         
            | 11 Jun 2020 | GRPE priority issues list : comments on GRPE-81-06 (EC) | GRPE-81-34 | 2020-06-11 | 
         
            | 11 Jun 2020 | WLTP: Proposal to amend GRPE-81-29 (OICA) | GRPE-81-35 | 2020-06-11 | 
         
            | 11 Jun 2020 | WLTP: Options for clarification documents | GRPE-81-36 | 2020-06-11 | 
         
            | 11 Jun 2020 | UN R115: Proposal to extend the provisions in the proposal for a new Supplement (GRPE/2020/11) (Italy) | GRPE-81-37 | 2020-06-11 |