Project to separate brake assist systems provisions from UN R13-H and into a new UN Regulation.
| Proposals to amend UN R13, 13-H, 79, 89, 130, 131, 139, 140, 152, 155, 156, 157, 171, 175, and 178 |
| Reference Number: TFCS-37-03/Rev.1 |
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Proposal to amend UN R13, 13-H, 79, 89, 130, 131, 139, 140, 152, 155, 156, 157, 171, 175, and 178 by introducing provisions on software identification and software updates. Amendments add new paragraphs referring to Software Identification Number definitions in Consolidated Resolution R.E.3, require manufacturers to provide Technical Services with information on hardware and software influencing performance, permit vehicle manufacturers to apply for new approvals differentiating software versions for registered versus new vehicles while avoiding test duplication, and modify production discontinuation provisions to exclude cases where manufacturers seek approval extensions for software updates of registered vehicles. |
| Submitted by: France |
| Meeting Sessions: 37th TFCS session (21-22 Apr) |
| Document date: 21 Apr 26 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 79 | Steering Equipment, UN Regulation No. 89 | Speed Limitation Devices, UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 130 | Lane Departure Warning Systems, UN Regulation No. 140 | Electronic Stability Control Systems, UN Regulation No. 178 | Emergency Lane-Keeping Systems, UN Regulation No. 139 | Brake Assist Systems, UN Regulation No. 155 | Cyber Security and Cyber Security Management, UN Regulation No. 156 | Software Update Processes and Management Systems, UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles, UN Regulation No. 157 | Automated Lane-Keeping Systems (ALKS), UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS), and UN Regulation No. 175 | Acceleration Control for Pedal Error |
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| UN R139: Proposal for a Supplement 3 |
| Reference Number: WP.29/2026/83 |
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Proposal to insert new paragraph 1.2.3 relating to vehicles of categories X and Y, amend footnotes 1 and 3 to reference the Consolidated Resolution on the Construction of Vehicles (R.E.3.), document ECE/TRANS/WP.29/78/Rev.8, and insert new paragraph 5.7 stating that while an ADS feature is active, the BAS shall not influence the performance of the braking system. |
| Submitted by: GRVA |
| Meeting Sessions: 199th WP.29 session (22-26 Jun) |
| Document date: 13 Apr 26 |
| Document status: Formal WP.29 review |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
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| FADS: Proposals to amend UN R89, R130, 131, 139, and 152 |
| Reference Number: GRVA-23-17 |
| Meeting Sessions: 23rd GRVA session (22-25 Sep 2025) |
| Document date: 19 Sep 25 |
| Relevant to: UN Regulation No. 89 | Speed Limitation Devices, UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 130 | Lane Departure Warning Systems, UN Regulation No. 139 | Brake Assist Systems, UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles, and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
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| UN R139: Proposal for amendments to enable application to ADS vehicles |
| Reference Number: FADS-27-04/Rev.1 |
| Submitted by: EC |
| Meeting Sessions: 27th FADS session (11-12 Sep 2025) |
| Document date: 11 Sep 25 |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
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| Provisions for the Periodic Technical Inspection of Advanced Driver-Assistance Systems (ADAS) |
| Reference Number: PTI-33-02 |
| Submitted by: Russia |
| Meeting Sessions: 33rd PTI session (5 Nov 2023) |
| Document date: 04 Dec 23 |
| Relevant to: UN Regulation No. 131 | Advanced Emergency Braking Systems and UN Regulation No. 139 | Brake Assist Systems |
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| UN R139: Proposal for Supplement 2 | |
| Reference Number: WP.29/2019/48 | |
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Proposal to clarify that UN R139 does not mandate the installation of brake assist systems (BAS) on vehicles but rather specifies requirements for the approval of vehicles should they be equipped with a BAS system. |
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| Meeting Sessions: 178th WP.29 session (24-28 Jun 2019) | |
| Document date: 11 Apr 19 | |
| Document status: Adopted by WP.29 | |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems | |
| Adoption Vote | |
| This proposal (WP.29/2019/48) was adopted by the World Forum. Forty Contracting Parties out of the 55 applying UN R139 were present for the vote by AC.1. Forty voted in favor with zero against and zero abstaining. | |
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| UN R139: Agreed amendments to GRVA/2019/12 |
| Reference Number: GRVA-02-29 |
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Proposal to clarify that UN R139 does not mandate the installation of brake assist systems (BAS) on vehicles but rather specifies requirements for the approval of vehicles should they be equipped with a BAS system. |
| Meeting Sessions: 2nd GRVA session (28 Jan-1 Feb 2019) |
| Document date: 29 Jan 19 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems |
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| UN R139: Proposal for a Supplement |
| Reference Number: GRVA/2019/12 |
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Proposal to clarify that UN R139 does not mandate the installation of brake assist systems (BAS) on vehicles but rather specifies requirements for the approval of vehicles should they be equipped with a BAS system. |
| Submitted by: Australia |
| Meeting Sessions: 2nd GRVA session (28 Jan-1 Feb 2019) |
| Document date: 19 Nov 18 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems |
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| UN R139: Proposal to amend the draft Supplement 1 (WP.29/2018/60) |
| Reference Number: WP.29-175-04 |
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Proposal to clarify application of UN R139 to vehicle submitted for approval under the regulation (i.e., equipped with a brake assist system). |
| Submitted by: OICA |
| Meeting Sessions: 175th WP.29 session (18-22 Jun 2018) |
| Document date: 14 Jun 18 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems |
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| UN R139: Proposal for Supplement 1 | |
| Reference Number: WP.29/2018/60 | |
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Proposal to clarify the purpose of UN R139 which was originally established through the extraction of brake assist system (BAS) provisions from UN R13-H on brake systems. Within the context of UN R13-H, the BAS provisions were written to assess performance in cases where a vehicle was fitted with a brake assist system. As a stand-alone regulation, UN R139 applies only to vehicles that are equipped with BAS. Therefore, this supplement proposes to refine the text to remove the “if fitted” language and ensure that UN R139 can only be applied to a vehicle equipped with a BAS. |
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| Meeting Sessions: 175th WP.29 session (18-22 Jun 2018) | |
| Document date: 03 Apr 18 | |
| Document status: Adopted text published | |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems | |
| Adoption Vote | |
| This proposal (WP.29/2018/60) was adopted by the World Forum. Thirty-eight Contracting Parties out of the 54 applying UN R139 were present for the vote by AC.1. Thirty-eight voted in favor with zero against and zero abstaining. | |
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| Proposal for a Supplement to Regulation No. 139 |
| Reference Number: GRRF/2018/2 |
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Proposal to clarify the purpose of UN R139 which was originally established through the extraction of brake assist system (BAS) provisions from UN R13-H on brake systems. Within the context of UN R13-H, the BAS provisions were written to assess performance in cases where a vehicle was fitted with a brake assist system. As a stand-alone regulation, UN R139 applies only to vehicles that are equipped with BAS. Therefore, this supplement proposes to refine the text to remove the “if fitted” language and ensure that UN R139 can only be applied to a vehicle equipped with a BAS. |
| Submitted by: Australia |
| Meeting Sessions: 86th GRRF session (12-16 Feb 2018) |
| Document date: 30 Nov 17 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems |
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| Status of the review of the EU General Safety Regulation and Pedestrian Safety Regulation |
| Reference Number: GRRF-83-19 |
| Submitted by: EC |
| Meeting Sessions: 83rd GRRF session (23-27 Jan 2017) |
| Document date: 24 Jan 17 |
| Relevant to: UN Regulation No. 16 | Safety belts and related systems, UN Regulation No. 34 | Prevention of Fire Risks, UN Regulation No. 58 | Rear Underrun Protection Devices, UN Regulation No. 73 | Commercial Vehicle Lateral Protection, UN Regulation No. 79 | Steering Equipment, UN Regulation No. 127 | Pedestrian Safety, UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 139 | Brake Assist Systems, UN Regulation No. 135 | Pole side-impact protection, UN Regulation No. 137 | Restraint System in Frontal Impact, and UN Regulation No. 160 | Event Data Recorders |
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| Proposal for a new Regulation on Brake Assist Systems (BAS) | |
| Reference Number: WP.29/2016/61 | |
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Proposal for a new UN Regulation based upon brake-assist system provisions extracted from UN R13-H in order to facilitate work on the international whole vehicle type approval system. |
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| Meeting Sessions: 169th WP.29 session (21-24 Jun 2016) | |
| Document date: 06 Apr 16 | |
| Document status: Adopted text published | |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA) | |
| Adoption Vote | |
| This proposal (WP.29/2016/61) was adopted by the World Forum. Forty-one Contracting Parties to the 1958 Agreement were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining. | |
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| Proposal for a new Regulation on Brake Assist Systems (BAS) reviewed by GRRF at its 81st session |
| Reference Number: GRRF-81-24 |
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Revised version of document GRRF/2016/7 pursuant to discussions held during the February 2016 GRRF session, proposing a new UN Regulation based upon brake-assist system provisions extracted from UN R13-H. |
| Meeting Sessions: 81st GRRF session (1-5 Feb 2016) |
| Document date: 03 Feb 16 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and UN Regulation No. 13-H | Light-Duty Vehicle Braking |
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| Proposal for amendments to Regulation No. 13-H reviewed by GRRF at its 81st session |
| Reference Number: GRRF-81-23 |
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Revised version of document GRRF/2016/6 pursuant to discussions held during the February 2016 GRRF session proposing to delete provisions for electronic stability and brake-assist systems from UN R13-H as part of their transposition into new stand-alone regulations. |
| Meeting Sessions: 81st GRRF session (1-5 Feb 2016) |
| Document date: 03 Feb 16 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 139 | Brake Assist Systems, and UN Regulation No. 140 | Electronic Stability Control Systems |
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| Proposal for a new Regulation on Brake Assist Systems |
| Reference Number: GRRF/2016/7 |
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Proposed new stand-alone UN Regulation comprised of the brake assist systems provisions of UN Regulation 13-H. |
| Submitted by: OICA |
| Meeting Sessions: 81st GRRF session (1-5 Feb 2016) |
| Document date: 20 Nov 15 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and UN Regulation No. 13-H | Light-Duty Vehicle Braking |
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| Proposal for amendment to Regulation No. 13-H |
| Reference Number: GRRF/2015/33 |
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In the framework of the International Whole Vehicle Type Approval (IWVTA) discussion, it was agreed to split Regulation No. 13-H into three distinct Regulations: on Braking, on Brake Assist Systems (BAS) and on Electronic Stability Control (ESC). In order to complete this task and to ease the implementation work of Contracting Parties relying on the existing text of the Regulation to mandate BAS or ESC, new transitional provisions are proposed. |
| Submitted by: UK |
| Meeting Sessions: 80th GRRF session (15-18 Sep 2015) |
| Document date: 03 Jul 15 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA), UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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| Proposal to remove ESC and BAS provisions from UN Regulation 13-H |
| Reference Number: GRRF-79-05/Rev.2 |
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Updated proposal to delete provisions for electronic stability and brake-assist systems from UN R13-H as part of their transposition into new stand-alone regulations. This proposal supersedes document GRRF/2014/10. |
| Submitted by: OICA |
| Meeting Sessions: 79th GRRF session (16-20 Feb 2015) |
| Document date: 19 Feb 15 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 139 | Brake Assist Systems, and UN Regulation No. 140 | Electronic Stability Control Systems |
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| Proposal to remove ESC and BAS provisions from UN Regulation 13-H |
| Reference Number: GRRF-79-05/Rev.1 |
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New proposal to delete provisions for electronic stability and brake-assist systems from UN R13-H as part of their transposition into new stand-alone regulations. This proposal supersedes document GRRF/2014/10. |
| Submitted by: OICA |
| Meeting Sessions: 79th GRRF session (16-20 Feb 2015) |
| Document date: 18 Feb 15 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 139 | Brake Assist Systems, and UN Regulation No. 140 | Electronic Stability Control Systems |
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| Revised proposal to delete ESC and BAS provisions from UN R13-H |
| Reference Number: GRRF-79-05 |
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New proposal to delete provisions for electronic stability and brake-assist systems from UN R13-H as part of their transposition into new stand-alone regulations. This proposal supersedes document GRRF/2014/10. |
| Submitted by: OICA |
| Meeting Sessions: 79th GRRF session (16-20 Feb 2015) |
| Document date: 03 Feb 15 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA), UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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| Proposal to amend the draft new regulation on brake-assist systems |
| Reference Number: GRRF-79-06 |
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Amendments to clarify and improve the text of the new regulation that would remove BAS provisions from UN R13-H. |
| Submitted by: OICA |
| Meeting Sessions: 79th GRRF session (16-20 Feb 2015) |
| Document date: 03 Feb 15 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems |
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| Alternative text concerning the CEL Annex and its application to functions or systems defined within a separate Regulation |
| Reference Number: GRRF-78-50 |
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CLEPA proposed a framework for relating independent regulations on electronic subsystems of braking or steering systems to the primary braking/steering regulations. This proposal revises the wording, focusing on ESC systems with relation to the requirements for complex electronic control systems under Regulation 13-H. |
| Submitted by: CLEPA |
| Meeting Sessions: 78th GRRF session (16-19 Sep 2014) |
| Document date: 18 Sep 14 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 79 | Steering Equipment, UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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| CLEPA Proposal Associated with Annex CEL and its Application to Functions or Systems Defined within a Separate Regulation |
| Reference Number: GRRF-78-41 |
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Presentation discussing the framework for relating independent regulations on electronic subsystems of braking or steering systems to the primary braking/steering regulations. |
| Submitted by: CLEPA |
| Meeting Sessions: 78th GRRF session (16-19 Sep 2014) |
| Document date: 16 Sep 14 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 79 | Steering Equipment, UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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| Proposal for amendments to document GRRF/2014/10 (Regulation No. 13H splitting) |
| Reference Number: GRRF-78-21 |
| Submitted by: OICA |
| Meeting Sessions: 78th GRRF session (16-19 Sep 2014) |
| Document date: 12 Sep 14 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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| Proposal for amendments to document GRRF/2014/11 (Draft BAS Regulation) |
| Reference Number: GRRF-78-20 |
| Submitted by: OICA |
| Meeting Sessions: 78th GRRF session (16-19 Sep 2014) |
| Document date: 12 Sep 14 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking and UN Regulation No. 139 | Brake Assist Systems |
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| IWVTA Reference to CEL Annex in R13H-split, ESC and BAS |
| Reference Number: GRRF-76-40 |
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Explanation of three options developed for handling the approval of electronic stability controls (ESC) and brake-assist systems (BAS) under regulaitons separate from UN R13-H (light vehicle braking) while fulfilling the requirements of complex electronic systems (CEL). |
| Submitted by: OICA |
| Meeting Sessions: 76th GRRF session (17-21 Feb 2014) |
| Document date: 24 Feb 14 |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA), UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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| Proposal for amendments to document GRRF/2014/11 (new BAS regulation) |
| Reference Number: GRRF-76-33 |
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India noted an erroneous reference to “ESC” in the original document where “BAS” was clearly intended. |
| Submitted by: India |
| Meeting Sessions: 76th GRRF session (17-21 Feb 2014) |
| Document date: 13 Feb 14 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA) |
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| Proposal for amendments to the draft regulation on Brake Assist Systems |
| Reference Number: GRRF-76-22 |
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Proposal to amend the draft text for the proposed new regulation on BAS which would extract the BAS provisions from the current UN R13-H on light vehicle braking systems. The intention is to clarify the meaning of the text in places where it is ambiguous when taken out of the context of UN R13-H. |
| Submitted by: CLEPA and OICA |
| Meeting Sessions: 76th GRRF session (17-21 Feb 2014) |
| Document date: 10 Feb 14 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA) |
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| Proposal for amendments to document GRRF/2014/11 (Draft BAS Regulation) |
| Reference Number: GRRF-76-14 |
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Proposal to specify that safety aspects of brake assist systems can be assessed under this new regulation or under UN R13-H. The objective of the proposed wording is to avoid redundant certification of the complex electronic control systems (CEL) aspects of ESC according to both the proposed BAS regulation and UN Regulation No. 13-H (keeping unchanged the level of safety). The proposal would permit the applicant to show evidence that CEL compliance has already been achieved according to Annex 8 of UN Regulation No. 13-H as an alternative to demonstrating compliance with the CEL annex of the BAS regulation. |
| Submitted by: CLEPA and OICA |
| Meeting Sessions: 76th GRRF session (17-21 Feb 2014) |
| Document date: 02 Feb 14 |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems and UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA) |
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| Proposal for a new Regulation on Brake Assist Systems (BAS) |
| Reference Number: GRRF/2014/11 |
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Proposal to transfer brake assist system systems provisions out of UN Regulation 13-H and into a new stand-alone regulation. The proposal arises from a perceived need to simplify UN R13-H to facilitate its application within the proposed international whole vehicle type approval. This document supersedes document GRRF-75-14. |
| Submitted by: CLEPA and OICA |
| Meeting Sessions: 76th GRRF session (17-21 Feb 2014) |
| Document date: 09 Dec 13 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 139 | Brake Assist Systems, UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA), and UN Regulation No. 13-H | Light-Duty Vehicle Braking |
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| Proposal for amendments to Regulation No. 13-H |
| Reference Number: GRRF/2014/10 |
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Proposal for amendments to delete provisions for electronic stability and brake-assist systems from UN R13-H as part of their transposition into new stand-alone regulations. |
| Submitted by: CLEPA and OICA |
| Meeting Sessions: 76th GRRF session (17-21 Feb 2014) |
| Document date: 06 Dec 13 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA), UN Regulation No. 140 | Electronic Stability Control Systems, and UN Regulation No. 139 | Brake Assist Systems |
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