| Periodical Technical Inspections: Agenda for the 43rd (May 2026) session |
| Reference Number: PTI-43-01/Rev.3 |
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The meeting will address coordination of work, pollution emission control in PTI including PN measurement, NOx measurement, and Euro 7, Advanced Driver Assistance Systems and Automated Driving Systems including PTI using diagnostic devices and inspections of automated vehicles, PTI provisions for brakes, lighting devices coordination and inspection, and 1997 Agreement updates. |
| Meeting Sessions: 43rd PTI session (8 May) |
| Document date: 08 May 26 |
| Relevant to: United Nations Agreement | 1997 Agreement on Periodical Technical Inspections, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| NOx measurements during Periodic Technical Inspection and Roadside Inspection of Diesel Vehicles |
| Reference Number: GRPE-94-21/Rev.1 |
| Submitted by: JRC |
| Meeting Sessions: 94th GRPE session (17-19 Mar) |
| Document date: 17 Mar 26 |
| Relevant to: UN Rule No. 2 | Vehicle Inspections: Roadworthiness, UN Rule No. 1 | Vehicle Inspections: Environmental Protection, WP.29 Discussion Topic | Road-Side Inspections, WP.29 Discussion Topic | PTI: Whole Life Compliance, and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Periodical Technical Inspections: Agenda for the 42nd (January 2026) session |
| Reference Number: PTI-42-01 |
| Meeting Sessions: 42nd PTI session (28 Jan) |
| Document date: 27 Jan 26 |
| Relevant to: WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Vehicle data access and protection, WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| PTI informal group status report to WP.29 |
| Reference Number: WP.29-197-27 |
| Meeting Sessions: 197th WP.29 session (10-14 Nov 2025) |
| Document date: 11 Nov 25 |
| Relevant to: UN Rule No. 2 | Vehicle Inspections: Roadworthiness, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems |
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| Periodical Technical Inspections: Minutes of the 41st (October 2025) session |
| Reference Number: PTI-41-04 |
| Meeting Sessions: 41st PTI session (29 Oct 2025) |
| Document date: 10 Nov 25 |
| Relevant to: UN Rule No. 2 | Vehicle Inspections: Roadworthiness, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Electronic Technical Inspections, WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems, and UN Regulation No. 180 | On-Board Monitoring Systems |
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| Periodical Technical Inspections: Agenda for the 41st (October 2025) session |
| Reference Number: PTI-41-01 |
| Meeting Sessions: 41st PTI session (29 Oct 2025) |
| Document date: 24 Oct 25 |
| Relevant to: WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | Road-Side Inspections, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| Periodical Technical Inspections: Minutes of the 39th (May 2025) session |
| Reference Number: PTI-39-06 |
| Meeting Sessions: 39th PTI session (28-29 May 2025) |
| Document date: 04 Sep 25 |
| Relevant to: UN Rule No. 2 | Vehicle Inspections: Roadworthiness, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| Periodical Technical Inspections: Agenda for the 40th (September 2025) session |
| Reference Number: PTI-40-01 |
| Meeting Sessions: 40th PTI session (9 Sep 2025) |
| Document date: 04 Sep 25 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Rule No. 1 | Vehicle Inspections: Environmental Protection, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| PTI informal group: 2025-26 work plan proposal |
| Reference Number: PTI-38-03 |
| Submitted by: Russia |
| Meeting Sessions: 38th PTI session (2 Apr 2025) |
| Document date: 01 Apr 25 |
| Relevant to: UN Rule No. 1 | Vehicle Inspections: Environmental Protection, UN Rule No. 4 | Safety inspection requirements for hybrid and electric vehicles, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, and WP.29 Discussion Topic | Electronic Technical Inspections |
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| Periodical Technical Inspections: Agenda for the 38th (April 2025) session |
| Reference Number: PTI-38-01/Rev.1 |
| Meeting Sessions: 38th PTI session (2 Apr 2025) |
| Document date: 01 Apr 25 |
| Relevant to: WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| Periodical Technical Inspections: Minutes of the 37th (February 2025) session |
| Reference Number: PTI-37-07 |
| Meeting Sessions: 37th PTI session (20 Feb 2025) |
| Document date: 27 Mar 25 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Safe and Clean New and Used Vehicles, WP.29 Discussion Topic | Electronic Technical Inspections, and WP.29 Discussion Topic | Periodical Technical Inspections for Heavy-duty Braking Systems |
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| Periodical Technical Inspections: Minutes of the 36th (December 2024) session |
| Reference Number: PTI-36-03/Rev.1 |
| Meeting Sessions: 36th PTI session (12 Dec 2024) |
| Document date: 20 Mar 25 |
| Relevant to: WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Safe and Clean New and Used Vehicles, WP.29 Regulatory Project | Electromechanical Braking Systems, and WP.29 Discussion Topic | Electronic Technical Inspections |
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| Periodical Technical Inspections: Agenda for the 36th (December 2024) session |
| Reference Number: PTI-36-01/Rev.1 |
| Meeting Sessions: 36th PTI session (12 Dec 2024) |
| Document date: 10 Dec 24 |
| Relevant to: UN Rule No. 2 | Vehicle Inspections: Roadworthiness, UN Rule No. 1 | Vehicle Inspections: Environmental Protection, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles, and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| Minutes of the 35th PTI informal group session |
| Reference Number: PTI-35-04 |
| Meeting Sessions: 35th PTI session (24 Apr 2024) |
| Document date: 18 Jun 24 |
| Relevant to: WP.29 Regulatory Project | Odometer equipment and its installation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , WP.29 Discussion Topic | Periodical Technical Inspections for Advanced Driver Assistance Systems, and WP.29 Discussion Topic | Electronic Technical Inspections |
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| Agenda for the 35th PTI informal group session |
| Reference Number: PTI-35-01/Rev.2 |
| Meeting Sessions: 35th PTI session (24 Apr 2024) |
| Document date: 23 Apr 24 |
| Relevant to: WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Electronic Technical Inspections |
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| Agenda for the 33rd PTI informal group session |
| Reference Number: PTI-33-01/Rev.1 |
| Meeting Sessions: 33rd PTI session (5 Nov 2023) |
| Document date: 04 Dec 23 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Discussion Topic | PTI-Automated Vehicles, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Minutes of the 32nd PTI informal group session |
| Reference Number: PTI-32-03 |
| Meeting Sessions: 32nd PTI session (13 Jun 2023) |
| Document date: 21 Nov 23 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| New PTI test for checking particulate filters of diesel cars with a particle counter |
| Reference Number: WP.29-191-34 |
| Meeting Sessions: 191st WP.29 session (13-16 Nov 2023) |
| Document date: 16 Nov 23 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Agenda for the 32nd PTI informal group session |
| Reference Number: PTI-32-01 |
| Meeting Sessions: 32nd PTI session (13 Jun 2023) |
| Document date: 06 Jun 23 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Regulatory Project | Odometer equipment and its installation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| RE6: Proposal to amend GRPE/2023/9 |
| Reference Number: GRPE-89-24/Rev.2 |
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Proposal from the PTI informal group to address particle number measurement for the periodic technical inspection of vehicles equipped with compression ignition engines. |
| Meeting Sessions: 89th GRPE session (30 May-2 Jun 2023) and 32nd PTI session (13 Jun 2023) |
| Document date: 02 Jun 23 |
| Document status: Superseded |
| Relevant to: United Nations Agreement | Administrative and technical provisions required for carrying out the technical inspections and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Agenda for the 31st PTI informal group session |
| Reference Number: PTI-31-01/Rev.1 |
| Meeting Sessions: 31st PTI session (14 Apr 2023) |
| Document date: 14 Apr 23 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Regulatory Project | Odometer equipment and its installation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| COMMISSION RECOMMENDATION (EU) 2023/688: PN measurement for PTI |
| Reference Number: PTI-31-03 |
|
COMMISSION RECOMMENDATION (EU) 2023/688 of 20 March 2023 on particle number measurement for the periodic technical inspection of vehicles equipped with compression ignition engines. |
| Submitted by: EC |
| Meeting Sessions: 31st PTI session (14 Apr 2023) |
| Document date: 20 Mar 23 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Minutes of the 29th PTI informal group session |
| Reference Number: PTI-29-05 |
| Meeting Sessions: 29th PTI session (7 Feb 2023) |
| Document date: 22 Feb 23 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Regulatory Project | Odometer equipment and its installation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Agenda for the 29th PTI informal group session |
| Reference Number: PTI-29-01/Rev.1 |
| Meeting Sessions: 29th PTI session (7 Feb 2023) |
| Document date: 07 Feb 23 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | Road-Side Inspections, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| PN measurement for Diesel |
| Reference Number: GRPE-87-57 |
| Submitted by: RDW |
| Meeting Sessions: 87th GRPE session (10-13 Jan 2023) |
| Document date: 19 Jan 23 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| PTI: PN measurement in Belgium (First Results July - October 2022) |
| Reference Number: GRPE-87-36/Rev.1 |
| Submitted by: CITA |
| Meeting Sessions: 87th GRPE session (10-13 Jan 2023) |
| Document date: 12 Jan 23 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| RE6: Proposal for amendment |
| Reference Number: GRPE/2023/9 |
|
Proposal from the PTI informal group to add the possibility to perform a particle number (PN) test on diesel cars of categories M and N into Resolution R.E.6. |
| Meeting Sessions: 87th GRPE session (10-13 Jan 2023) |
| Document date: 27 Oct 22 |
| Document status: Superseded |
| Relevant to: United Nations Agreement | Administrative and technical provisions required for carrying out the technical inspections and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Minutes of the 27th PTI informal group session |
| Reference Number: PTI-28-04 |
| Meeting Sessions: 28th PTI session (13 Jul 2022) |
| Document date: 07 Sep 22 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Regulatory Project | Odometer equipment and its installation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| RE6: Proposal to add a particle number (PN) test for diesel cars |
| Reference Number: GRPE-86-xx |
| Meeting Sessions: 28th PTI session (13 Jul 2022) |
| Document date: 13 Jul 22 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Agenda for the 28th PTI informal group session |
| Reference Number: PTI-28-01 |
| Meeting Sessions: 28th PTI session (13 Jul 2022) |
| Document date: 28 Jun 22 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| Report on results from the 27th PTI informal group session |
| Reference Number: WP.29-187-21 |
| Meeting Sessions: 187th WP.29 session (20-24 Jun 2022) |
| Document date: 17 Jun 22 |
| Relevant to: United Nations Agreement | 1997 Agreement on Periodical Technical Inspections, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| Minutes of the 27th PTI informal group session |
| Reference Number: PTI-27-04 |
| Meeting Sessions: 27th PTI session (26 Apr 2022) |
| Document date: 31 May 22 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Regulatory Project | Odometer equipment and its installation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections , and WP.29 Discussion Topic | Safe and Clean New and Used Vehicles |
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| Periodic Technical Inspection: Particle Number (PN) Measurements |
| Reference Number: GRPE-86-30 |
| Submitted by: JRC |
| Meeting Sessions: 86th GRPE session (30 May-2 Jun 2022) |
| Document date: 30 May 22 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Vehicle emissions PTI: Developments in the Netherlands |
| Reference Number: PTI-27-03 |
| Submitted by: Netherlands |
| Meeting Sessions: 27th PTI session (26 Apr 2022) |
| Document date: 26 Apr 22 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| RE6: Proposal for a particle number (PN) test on diesel cars |
| Reference Number: GRPE-86-xx |
| Meeting Sessions: 27th PTI session (26 Apr 2022) |
| Document date: 25 Apr 22 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| RE6: Proposal to introduce particle number emissions test for diesel vehicles with a wall flow filter |
| Reference Number: PTI-26-05 |
| Submitted by: Netherlands |
| Meeting Sessions: 26th PTI session (15 Feb 2022) |
| Document date: 15 Feb 22 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Agenda for the 26th PTI informal group session |
| Reference Number: PTI-26-01/Rev.1 |
| Meeting Sessions: 26th PTI session (15 Feb 2022) |
| Document date: 15 Feb 22 |
| Relevant to: WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| New Periodic Technical Inspection – Particle Number Measurement |
| Reference Number: GRPE-85-34 |
| Submitted by: JRC |
| Meeting Sessions: 85th GRPE session (11-14 Jan 2022) |
| Document date: 07 Jan 22 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Agenda for the 25th PTI informal group session |
| Reference Number: PTI-25-02 |
| Meeting Sessions: 25th PTI session (15 Dec 2021) |
| Document date: 03 Dec 21 |
| Relevant to: WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Regulatory Project | Periodical Technical Inspections of Accident Emergency Call Systems, WP.29 Discussion Topic | PTI: Whole Life Compliance, and WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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| Draft text for a new Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
| Reference Number: PTI-24-02 |
| Meeting Sessions: 24th PTI session (14 Oct 2021) |
| Document date: 12 Oct 21 |
| Relevant to: WP.29 Regulatory Project | Resolution on a Particle Number Emission Test for Periodic Technical Inspections |
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