| 28 Jan 2018 | Invitation to the 26th IWVTA informal group session | IWVTA-26-02 | 2018-01-28 | 
         
            | 3 Feb 2018 | IWVTA: Proposal for amendments to the General Guidelines for UN Regulatory Procedures (Russia) | IWVTA-26-06 | 2018-02-03 | 
         
            | 25 Feb 2018 | IWVTA: Proposal of amendments to Annex 4 of the 1958 Agreement (Russia) | IWVTA-26-07 | 2018-02-25 | 
         
            | 4 Mar 2018 | Candidate of technical regulations applicable to IWVTA Phase 2 (2018 - 20XX) | IWVTA-26-05 | 2018-03-04 | 
         
            | 4 Mar 2018 | Progress report on the review of technical regulations applicable to IWVTA | IWVTA-26-05/Add.1 | 2018-03-04 | 
         
            | 4 Mar 2018 | IWVTA: New UN Regulations not yet considered for inclusion | IWVTA-26-05/Add.2 | 2018-03-04 | 
         
            | 4 Mar 2018 | How to fill in the new column in document WP.29/343 | IWVTA-26-08 | 2018-03-04 | 
         
            | 4 Mar 2018 | Provisional agenda for the 26th IWVTA informal group session | IWVTA-26-03/Rev.2 | 2018-03-04 | 
         
            | 12 Mar 2018 | IWVTA: Report to the 174th (March 2018) WP.29 session | IWVTA-26-09/Rev.1 | 2018-03-12 | 
         
            | 3 Apr 2018 | UN R0: Draft update of UN Regulations in Annex 4 | IWVTA-26-04/Rev.1 | 2018-04-03 | 
         
            | 3 Apr 2018 | Adopted minutes of the 25th IWVTA informal group session | IWVTA-26-01/Rev.1 | 2018-04-03 | 
         
            | 9 Apr 2018 | Participants list from the 26th IWVTA informal group session | IWVTA-27-01/Add.1 | 2018-04-09 | 
         
            | 15 May 2018 | Invitation to the 27th IWVTA informal group session | IWVTA-27-02 | 2018-05-15 | 
         
            | 15 May 2018 | UN R0: Draft proposal for 01 series of amendments | IWVTA-27-04 | 2018-05-15 | 
         
            | 31 May 2018 | Candidate of technical regulations applicable to IWVTA Phase 2 (2018 – 202X) | IWVTA-26-05/Rev.1 | 2018-05-31 | 
         
            | 10 Jun 2018 | Proposed solutions for the identified concerns with Schedule 4 of the 1958 Agreement  (Russia) | IWVTA-27-06 | 2018-06-10 | 
         
            | 10 Jun 2018 | Proposal for amendments to Schedule 4 of the 1958 Agreement (Russia) | IWVTA-27-07 | 2018-06-10 | 
         
            | 11 Jun 2018 | Draft roadmap for IWVTA Phase 2 | IWVTA-27-05/Rev.1 | 2018-06-11 | 
         
            | 14 Jun 2018 | Provisional agenda for the 27th IWVTA informal group session | IWVTA-27-03/Rev.2 | 2018-06-14 | 
         
            | 16 Jun 2018 | IWVTA: Draft report to the 175th (June 2018) WP.29 session | IWVTA-27-09 | 2018-06-16 | 
         
            | 19 Jun 2018 | Minutes of the 26th IWVTA informal group session | IWVTA-27-01/Rev.1 | 2018-06-19 | 
         
            | 18 Jul 2018 | Minutes of the 27th IWVTA informal group session | IWVTA-28-01 | 2018-07-18 | 
         
            | 18 Jul 2018 | 1958 Agreement and IWVTA: Draft question 21 for Q&A document (Poland) | IWVTA-28-04 | 2018-07-18 | 
         
            | 3 Oct 2018 | Invitation to the 28th IWVTA informal group session | IWVTA-28-02 | 2018-10-03 | 
         
            | 30 Oct 2018 | UN R0: GRPE review of approval numbering under Annex 4 | IWVTA-28-07 | 2018-10-30 | 
         
            | 30 Oct 2018 | UN R0: Follow-up on the type approval numbering inconsistency (Russia) | IWVTA-28-06 | 2018-10-30 | 
         
            | 5 Nov 2018 | Provisional agenda for the 28th IWVTA informal group session | IWVTA-28-03/Rev.1 | 2018-11-05 | 
         
            | 9 Nov 2018 | UN R0: Candidate of technical regulations applicable to IWVTA Phase 2 | IWVTA-28-05/Rev.1 | 2018-11-09 | 
         
            | 9 Nov 2018 | Development of WLTP UN Regulation and amendments to UN R83.08 | IWVTA-28-08/Rev.1 | 2018-11-09 | 
         
            | 11 Nov 2018 | IWVTA report to the 176th WP.29 session | IWVTA-28-09/Rev.1 | 2018-11-11 | 
         
            | 19 Dec 2018 | Minutes of the 28th IWVTA informal group session | IWVTA-29-01 | 2018-12-19 |