13 January Tyre Abrasion: Minutes of the 39th (December 2025) session TA-39-12/Rev.1	TA-39-12/Rev.1	2026-01-13
12 January Tyre Abrasion: Agenda for the 41st (January 2026) session TA-41-01/Rev.1	TA-41-01/Rev.1	2026-01-12
12 January Tyre abrasion: Drum-vehicle test method equivalence - new alternative proposal (ETRTO) TA-41-02	TA-41-02	2026-01-12
16 January Tyre abrasion: Proposal to amend the new UNR (ETRTO) TA-41-03/Rev.1	TA-41-03/Rev.1	2026-01-16
13 January Tyre abrasion: Overview of draft Annex 4: Procedure for Demonstrating Equivalence of Convoy and Drum Test Facilities TA-41-04	TA-41-04	2026-01-13
13 January Tyre abrasion: 2026 Confirmation Plan Proposal TA-41-05	TA-41-05	2026-01-13
13 January Data Assessment subgroup status report to the Tyre Abrasion informal group TA-41-06	TA-41-06	2026-01-13
13 January Tyre abrasion: Concept of Equivalence Criteria (JASIC) TA-41-07	TA-41-07	2026-01-13
26 January Tyre abrasion: Proposal for acceleration calculation (ETRTO) TA-42-02/Rev.2	TA-42-02/Rev.2	2026-01-26
29 January AV Regulatory Screening task force status report to GRBP GRBP-TFAVRS-21-04/Rev.1	GRBP-TFAVRS-21-04/Rev.1	2026-01-29
29 January UN R64: Draft proposal to amend GRBP/2026/2 GRBP-TFAVRS-21-03	GRBP-TFAVRS-21-03	2026-01-29
29 January UN R142: Draft proposal to amend GRBP/2026/3 GRBP-TFAVRS-21-02/Rev.1	GRBP-TFAVRS-21-02/Rev.1	2026-01-29
29 January Wet Grip on Worn Tyres: Agenda for the 72nd (February 2026) session WT-72-01	WT-72-01	2026-01-29
30 January Tyre Abrasion: Agenda for the 43rd (February 2026) session TA-43-01	TA-43-01	2026-01-30
30 January Tyre abrasion: Draft vehicle and drum test equivalence annex TA-43-02	TA-43-02	2026-01-30
30 January Tyre abrasion: Guidance for the vehicle-drum test equivalence annex TA-43-03	TA-43-03	2026-01-30
4 February Tyre Abrasion: Agenda for the 44th (February 2026) session TA-44-01	TA-44-01	2026-02-04
4 February Tyre abrasion: Proposal to amend document GRBP/2025/27 TA-44-02	TA-44-02	2026-02-04
3 February Tyre abrasion: Proposal on temperature range for reference tyre measurement (ETRTO and LINK) TA-43-11	TA-43-11	2026-02-03
3 February Participants list from the 43rd Tyre Abrasion task force session TA-43-10	TA-43-10	2026-02-03
2 February Procedure for Demonstrating Equivalence of Vehicle Test and Indoor Drum Test Facilities for Tyre Abrasion and Determining the Transfer Function for Indoor Drum Test Facilities (EC) TA-43-04	TA-43-04	2026-02-02
2 February Overview of proposed Annex 4 to new UN Regulation on Tyre Abrasion (EC) TA-43-05	TA-43-05	2026-02-02
2 February Tyre abrasion: Draft proposal to amend document GRBP/2025/27 TA-43-06	TA-43-06	2026-02-02
2 February Tyre abrasion: Proposal for test method equivalence criteria (JASIC) TA-43-07	TA-43-07	2026-02-02
2 February Tyre abrasion: Comments on the draft Annex 4 (Equivalence method) (JATMA) TA-43-08	TA-43-08	2026-02-02
23 January Tyre Abrasion: Agenda for the 42nd (January 2026) session TA-42-01	TA-42-01	2026-01-23
26 January Tyre abrasion: Draft proprosals for amendments to GRBP/2025/27 TA-42-04/Rev.1	TA-42-04/Rev.1	2026-01-26
20 January Tyre abrasion: JRC analysis ETRTO-JASIC database (EC) TA-42-03	TA-42-03	2026-01-20
23 January Tyre abrasion: Considerations on Transfer Function (ETRTO) TA-42-05	TA-42-05	2026-01-23
23 January Tyre abrasion: Proposal on test method equivalence criteria (JASIC) TA-42-06	TA-42-06	2026-01-23
26 January Tyre abrasion: 2026 Test Campaign Plan TA-42-07	TA-42-07	2026-01-26
18 February Tyre abrasion: Proposal to replace document GRBP/2025/27 GRBP-83-32/Rev.1	GRBP-83-32/Rev.1	2026-02-18
18 February Tyre abrasion: Working draft version 1b amending document GRBP-83-32 TA-45-03	TA-45-03	2026-02-18
5 February UN R64: Proposal to amend document GRBP/2026/2 GRBP-83-10	GRBP-83-10	2026-02-05
12 February UN R142: Proposal to amend document GRBP/2026/3 GRBP-83-11/Rev.1	GRBP-83-11/Rev.1	2026-02-12
11 February UN R142: Proposal to amend document GRBP/2026/3 (ETRTO) GRBP-83-42	GRBP-83-42	2026-02-11
10 February Position on tyre abrasion (OICA) GRBP-83-30	GRBP-83-30	2026-02-10
11 February Guidance on the Procedure for Demonstrating Equivalence of Vehicle Test and Indoor Drum Test Facilities for Tyre Abrasion and Determining the Transfer Function (EC) GRBP-83-47	GRBP-83-47	2026-02-11
11 February Tyre abrasion: Proposal for amendments to document GRBP-83-32 (EC) GRBP-83-46	GRBP-83-46	2026-02-11
13 February UN R117: Proposal to amend document GRBP2026/6 (ETRTO) GRBP-83-20/Rev.2	GRBP-83-20/Rev.2	2026-02-13
5 February UN R117: Tyre Noise Level Alignment status report GRBP-83-26	GRBP-83-26	2026-02-05
25 February EVE impact on Euro 7 emissions type-approval legislation (EC) EVE-94-16	EVE-94-16	2026-02-25
27 February International Whole Vehicle Type Approval System: Agenda for the 50th (March 2026) session IWVTA-50-02	IWVTA-50-02	2026-02-27
26 February UN R0: Updated Annex 4 for the 09 series of amendments IWVTA-50-03	IWVTA-50-03	2026-02-26
26 February UN R0: Comments on temporary solution for U-IWVTA (OICA) IWVTA-50-04	IWVTA-50-04	2026-02-26
27 February Report on the ASEAN Mutual Recognition Workshop (JASIC) IWVTA-50-05	IWVTA-50-05	2026-02-27
11 February UN R108: Proposal to amend document GRBP/2026/9 (ETRTO) GRBP-83-13/Rev.1	GRBP-83-13/Rev.1	2026-02-11
11 February UN R108: Proposal to amend document GRBP/2026/9 (extended version) (ETRTO) GRBP-83-14/Rev.1	GRBP-83-14/Rev.1	2026-02-11
11 February UN R172: Proposal to amend document GRBP/2026/10 (condensed version) (ETRTO) GRBP-83-15/Rev.1	GRBP-83-15/Rev.1	2026-02-11
11 February UN R172: Proposal to amend document GRBP/2026/10 (Extended version) (ETRTO) GRBP-83-16/Rev.1	GRBP-83-16/Rev.1	2026-02-11
5 February UN R172: Proposal to amend document GRBP/2026/11 (condensed version) (ETRTO) GRBP-83-17	GRBP-83-17	2026-02-05
5 February UN R172: Proposal to amend document GRBP/2026/11 (extended version) (ETRTO) GRBP-83-18	GRBP-83-18	2026-02-05
27 February Tyre Abrasion: Agenda for the 45th (March 2026) session TA-45-01	TA-45-01	2026-02-27
27 February Tyre abrasion: Working draft version 1a amending document GRBP-83-46 TA-45-02/Rev.1	TA-45-02/Rev.1	2026-02-27
2 March Tyre abrasion: Small working group status report on data assessment and method equivalency TA-45-04	TA-45-04	2026-03-02
2 March Tyre abrasion: Position on test-method equivalence proposal (ETRTO) TA-45-05	TA-45-05	2026-03-02
2 March Tyre abrasion: Position on text-method equivalence criteria (JASIC) TA-45-06	TA-45-06	2026-03-02
2 March Tyre abrasion: Proposal from Japan (document GRBP-83-38) (Japan) TA-45-07	TA-45-07	2026-03-02
11 February Tyre abrasion: Proposal to amend documents GRBP/2025/27 and GRBP-83-32 (Japan) GRBP-83-38	GRBP-83-38	2026-02-11
2 March Tyre abrasion: Convoy Test Method Dual-Normalisation Framework (ITTAC) GRBP-83-08	GRBP-83-08	2026-03-02
2 March Tyre abrasion: Report on analysis of draft Annex 4 on test method equivalence (EC) TA-45-09	TA-45-09	2026-03-02
2 March Tyre abrasion: Convoy method-Improvement of repeatability on cars with SRTT (Dekra) TA-45-10	TA-45-10	2026-03-02
27 February Draft terms of reference for the IWVTA informal group IWVTA-50-06	IWVTA-50-06	2026-02-27
27 February Guidelines for transitional provisions IWVTA-50-07	IWVTA-50-07	2026-02-27
11 February UN R106: Proposal to replace document GRBP/2026/8 (ETRTO) GRBP-83-19/Rev.1	GRBP-83-19/Rev.1	2026-02-11
11 February UN R109: Proposal to amend document GRBP/2026/12 (condensed version) (ETRTO) GRBP-83-21/Rev.2	GRBP-83-21/Rev.2	2026-02-11
11 February UN R109: Proposal to amend document GRBP/2026/12 (extended version) (ETRTO) GRBP-83-22/Rev.2	GRBP-83-22/Rev.2	2026-02-11
6 February Wet Grip on Worn Tyres informal group status report to GRBP GRBP-83-31	GRBP-83-31	2026-02-06
6 February Documents submitted to GRBP on tyre regulations (ETRTO) GRBP-83-33/Rev.1	GRBP-83-33/Rev.1	2026-02-06
11 February Tyre abrasion: Position on the draft new UN Regulation (JATMA) GRBP-83-40	GRBP-83-40	2026-02-11
11 February Tyre abrasion: Overview of proposed Annex 4 (Test method equivalence) (EC) GRBP-83-45	GRBP-83-45	2026-02-11
11 February Tyre Abrasion task force status report to GRBP GRBP-83-44	GRBP-83-44	2026-02-11
4 March Discussion paper exploring how to identify the level of compliance of UN type approvals (Netherlands) IWVTA-50-08	IWVTA-50-08	2026-03-04
9 March IWVTA informal group status report to WP.29 WP.29-198-15	WP.29-198-15	2026-03-09
5 February Tyre abrasion: Is there a difference between 2 cars fitted with SRTT? (Dekra) TA-44-04	TA-44-04	2026-02-05
5 February Tyre abrasion: Questions on the draft proposals for Annex 4 (testing equivalence) (ETRTO) TA-44-03	TA-44-03	2026-02-05
5 February Tyre abrasion: Proposals for test-method equivalence criteria (JASIC) TA-44-05	TA-44-05	2026-02-05
5 February Tyre abrasion: Draft task force status report to GRBP TA-44-06	TA-44-06	2026-02-05
5 March Tyre Abrasion Test: Convoy Method – Dual-Normalisation Framework (ITTAC) TA-45-08/Rev.1	TA-45-08/Rev.1	2026-03-05
11 March Tyre Abrasion: Agenda for the 46th (March 2026) session TA-46-01	TA-46-01	2026-03-11
13 March Report on the status of IWVTA activities GRPE-94-07	GRPE-94-07	2026-03-13