23. The GRB Chair reported on the results achieved by GRB during its sixty-second session (for details, see the report of the session ECE/TRANS/WP.29/GRB/60), in particular, the adoption of a draft Regulation on Quiet Road Transport Vehicles (QRTV) under the 1958 Agreement.

24. He further informed the World Forum that GRB agreed to continue its work on QRTV with a view to address concerns raised by the World Blind Union (WBU) and to finalize a UN GTR on QRTV. To this end, GRB requested the extension of the mandates of both IWG for a QRTV Regulation and IWG on QRTV for a UN GTR until December 2016. WP.29 gave its consent for both mandate extensions, subject to confirmation by AC.3 for the mandate extension of the IWG on QRTV for a UN GTR.

21. The World Forum recalled the oral report of the Chair of GRB given during the 167th session (ECE/TRANS/WP.29/1118, paras. 23-25) and approved the report.

18. The expert from the Netherlands briefed GRB on the Dutch public campaign “Choose the Best Tyre” and on potential benefits of energy-efficient tyres and correct tyre pressure maintenance (GRB-62-01 and Add.1, GRB-62-02-Rev.1). The Chair recalled other Dutch studies on this topic and commended the experts from the Netherlands for the considerable work undertaken and interesting results. He also called for a holistic approach and closer cooperation between the governments and industry in this area.

18. The expert from the Netherlands briefed GRB on the Dutch public campaign “Choose the Best Tyre” and on potential benefits of energy-efficient tyres and correct tyre pressure maintenance (GRB-62-01 and Add.1, GRB-62-02-Rev.1). The Chair recalled other Dutch studies on this topic and commended the experts from the Netherlands for the considerable work undertaken and interesting results. He also called for a holistic approach and closer cooperation between the governments and industry in this area.

WBU and European Blind Union statement critical of the current draft UN Regulation for failing to adequately address the needs of the visually impaired.

21. The expert from WBU called for shared responsibility of drivers and vulnerable road users for road safety and requested that the Audible Vehicle Alert System (AVAS) of QRTV be “ON” while the vehicle is stationary and that the driver should not be able to deactivate (or pause) AVAS (GRB-62-03). He also referred to a study (GRB-62-16) suggesting that the proposed AVAS level of sound did not seem to make QRTV with AVAS more detectable to the average blind person than was QRTV without AVAS. According to the study, more research would be needed to determine a minimal noise level that would satisfy the desire to reduce noise emissions while remaining safe for pedestrians.

2. GRB considered and adopted the agenda.

26. The secretariat reported on the highlights of the 165th and 166th sessions of WP.29 (ECE/TRANS/WP.29/1114, ECE/TRANS/WP.29/1116, GRB-62-04).

Correction of two minor reference errors contained in the proposal for Supplement 2 to the 04 series of amendments to Regulation No. 41 which was adopted during the March 2015 session of WP.29.

5. The expert from IMMA proposed to correct minor reference errors in Supplement 2 to the 04 series of amendments to Regulation No. 41 (GRB-62-05). GRB adopted this proposal, as contained in Annex II, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their March 2016 sessions.

Proposal to specify that conditioning of exhaust or silencing systems is required only in cases where the fibrous materials are in contact with exhaust gases because there is no possibility for the dispersion of fibrous materials under any other condition.

15. The expert from IMMA proposed collective amendments to Regulations Nos. 9, 41, 63 and 92 to clarify that the provisions on fibrous materials are only applicable if such materials are in contact with exhaust gases (GRB-62-06-Rev.1). Following comments by the experts from Germany and OICA, GRB invited IMMA to revise the proposal and re-submit it to the next session, possibly as an official document.

16. The expert from China briefed GRB on the activities of the China vehicle noise standards working group (GRB-62-10). The experts from Japan informed GRB about the trends of noise regulation in Japan and gave an overview of the future policy for motor vehicle noise reduction (GRB-62-13-Rev.1 and GRB-62-12, respectively). The expert of ISO reported on the activities of his organization on interior noise, with the aim to review ISO 5128 (GRB-62-07). GRB took note of these presentations and felt that some of the issues raised could be included in the programme of work of GRB (see para. 27 below).

Table of potential areas for future GRB work prepared during an informal meeting held in Paris during 2-3 July 2015.

27. The Chair presented a list of possible issues for the future GRB activities prepared at an informal meeting convened by the Chair in July 2015 (GRB-62-08). Various experts expressed their interest in pursuing specific items on the list and/or proposed new subjects. To take these comments into account and to prepare an updated and prioritized list, the Chair informed GRB about his intention to convene a second meeting of stakeholders at the beginning of December 2015, the results of which would be reported to the next session of GRB.

GRB-62 post-session review of future noise regulation development based upon the results of the GRB Informal meeting held in Paris during 2-3 July 2015.

27. The Chair presented a list of possible issues for the future GRB activities prepared at an informal meeting convened by the Chair in July 2015 (GRB-62-08). Various experts expressed their interest in pursuing specific items on the list and/or proposed new subjects. To take these comments into account and to prepare an updated and prioritized list, the Chair informed GRB about his intention to convene a second meeting of stakeholders at the beginning of December 2015, the results of which would be reported to the next session of GRB.

At the GRB meeting in January 2015 the Netherlands introduced a justification and proposal for future tyre noise limits (document GRB-61-03). During the discussion, it was suggested to investigate whether difference in performance existed between Original Equipment Manufacturer (OEM) tyres and replacement tyres, noting that the transitional provisions in EC/661/2009 take into account the earlier introduction of noise limits of OEM tyres mounted on new vehicle types. Therefore, the Dutch Ministry of Infrastructure and the Environment asked M+P to investigate the statistics of tyre noise label values in OEM tyres in more detail.

12. The expert from the Netherlands presented a study (GRB-62-09 and Add.1) on noise emission from the Original Equipment Manufacturer (OEM) tyres of a specific size which were found to be around 1 dB(A) lower than the one from replacement tyres of the same size. The expert, thus, proposed to further reduce the limit values for OEM tyres in the 02 series of amendments to Regulation No. 117 (GRB-62-11 and Add.1).

13. The expert from Switzerland expressed his support for the general direction of the Dutch proposal. The experts from Germany and EC were of the view that, at this stage, it would be premature to tighten the tyre noise limits of Regulation No. 117. The expert from France called for a holistic approach to this issue. The experts from ETRTO and OICA expressed doubts about the representativeness of the tyre sample used in the Dutch study. The expert from ETRTO also delivered comments on the proposal for amendments to Regulation No. 117 (GRB-62-17). Finally, GRB invited all experts to further study the Dutch proposal and decided to revert to this issue at the next session.

12. The expert from the Netherlands presented a study (GRB-62-09 and Add.1) on noise emission from the Original Equipment Manufacturer (OEM) tyres of a specific size which were found to be around 1 dB(A) lower than the one from replacement tyres of the same size. The expert, thus, proposed to further reduce the limit values for OEM tyres in the 02 series of amendments to Regulation No. 117 (GRB-62-11 and Add.1).

13. The expert from Switzerland expressed his support for the general direction of the Dutch proposal. The experts from Germany and EC were of the view that, at this stage, it would be premature to tighten the tyre noise limits of Regulation No. 117. The expert from France called for a holistic approach to this issue. The experts from ETRTO and OICA expressed doubts about the representativeness of the tyre sample used in the Dutch study. The expert from ETRTO also delivered comments on the proposal for amendments to Regulation No. 117 (GRB-62-17). Finally, GRB invited all experts to further study the Dutch proposal and decided to revert to this issue at the next session.

Presentation on China’s international noise standards working group activities and program for future development of vehicle noise and silencing system durability requirements.

16. The expert from China briefed GRB on the activities of the China vehicle noise standards working group (GRB-62-10). The experts from Japan informed GRB about the trends of noise regulation in Japan and gave an overview of the future policy for motor vehicle noise reduction (GRB-62-13-Rev.1 and GRB-62-12, respectively). The expert of ISO reported on the activities of his organization on interior noise, with the aim to review ISO 5128 (GRB-62-07). GRB took note of these presentations and felt that some of the issues raised could be included in the programme of work of GRB (see para. 27 below).

Proposal to increase the stringency of tyre noise limits from 1 November 2020.

12. The expert from the Netherlands presented a study (GRB-62-09 and Add.1) on noise emission from the Original Equipment Manufacturer (OEM) tyres of a specific size which were found to be around 1 dB(A) lower than the one from replacement tyres of the same size. The expert, thus, proposed to further reduce the limit values for OEM tyres in the 02 series of amendments to Regulation No. 117 (GRB-62-11 and Add.1).

13. The expert from Switzerland expressed his support for the general direction of the Dutch proposal. The experts from Germany and EC were of the view that, at this stage, it would be premature to tighten the tyre noise limits of Regulation No. 117. The expert from France called for a holistic approach to this issue. The experts from ETRTO and OICA expressed doubts about the representativeness of the tyre sample used in the Dutch study. The expert from ETRTO also delivered comments on the proposal for amendments to Regulation No. 117 (GRB-62-17). Finally, GRB invited all experts to further study the Dutch proposal and decided to revert to this issue at the next session.

10. The expert from the Netherlands presented several videos demonstrating tyre-rolling noise from trucks on a quiet road surface and recalled his proposal to reduce the limit values for tyres in Regulation No. 117. The expert from EC pointed out that, at this stage, EC could not express any opinion on this proposal and that internal discussions among EU member States should first be planned and held on the issue. The expert from the Netherlands informed GRB that his country had already sent a proposal to this extent to EC and the European Parliament.

12. The expert from the Netherlands recalled their earlier study on tyre performance (GRB-62-11 and Add.1) and presented the outcome of a new study on this subject. In addition to tyre noise, the new study addressed rolling resistance and wet grip for tyres sold in 2013-2016 in the Netherlands. According to the expert, the results had demonstrated a consistent trend for better performance in all aspects and tyre classes. Therefore, he proposed to tighten the limit values in the 02 series of amendments to Regulation No. 117 (GRB-62-11-Rev.1 and Add.1).

13. The expert from ETRTO made a reservation about the sampling of tyres in the Dutch study and drew the attention of GRB to the fact that the limit values in the 02 series of amendments to Regulation No. 117 had been introduced only in 2012 and that the transitional periods to comply with these limits were still ongoing. The expert from the Russian Federation argued in favour of setting new target values well in advance, in order to give the industry sufficient time to prepare for their introduction. The experts from Germany and OICA recalled the past experience in noise Regulations and pointed out that only tightening the tyre noise limits would not necessarily improve the real situation on the streets. The Chair shared their views and called for a more holistic approach prior to taking a decision.

14. GRB noted that the same proposals had been raised by the Netherlands at the EU level and that internal EU discussions were under way. GRB was of the view that the Working Party on Braking and Running Gear (GRRF), which also deals with Regulation No. 117, should be informed about the Dutch proposals. The expert from the Netherlands expressed his willingness to present the issue to GRRF. Finally, GRB agreed to revert to this subject at one of its future session, based on GRRF and EU deliberations.

Presentation in support of the proposal to increase the stringency of tyre noise limits from 1 November 2020.

12. The expert from the Netherlands presented a study (GRB-62-09 and Add.1) on noise emission from the Original Equipment Manufacturer (OEM) tyres of a specific size which were found to be around 1 dB(A) lower than the one from replacement tyres of the same size. The expert, thus, proposed to further reduce the limit values for OEM tyres in the 02 series of amendments to Regulation No. 117 (GRB-62-11 and Add.1).

13. The expert from Switzerland expressed his support for the general direction of the Dutch proposal. The experts from Germany and EC were of the view that, at this stage, it would be premature to tighten the tyre noise limits of Regulation No. 117. The expert from France called for a holistic approach to this issue. The experts from ETRTO and OICA expressed doubts about the representativeness of the tyre sample used in the Dutch study. The expert from ETRTO also delivered comments on the proposal for amendments to Regulation No. 117 (GRB-62-17). Finally, GRB invited all experts to further study the Dutch proposal and decided to revert to this issue at the next session.

10. The expert from the Netherlands presented several videos demonstrating tyre-rolling noise from trucks on a quiet road surface and recalled his proposal to reduce the limit values for tyres in Regulation No. 117. The expert from EC pointed out that, at this stage, EC could not express any opinion on this proposal and that internal discussions among EU member States should first be planned and held on the issue. The expert from the Netherlands informed GRB that his country had already sent a proposal to this extent to EC and the European Parliament.

12. The expert from the Netherlands recalled their earlier study on tyre performance (GRB-62-11 and Add.1) and presented the outcome of a new study on this subject. In addition to tyre noise, the new study addressed rolling resistance and wet grip for tyres sold in 2013-2016 in the Netherlands. According to the expert, the results had demonstrated a consistent trend for better performance in all aspects and tyre classes. Therefore, he proposed to tighten the limit values in the 02 series of amendments to Regulation No. 117 (GRB-62-11-Rev.1 and Add.1).

13. The expert from ETRTO made a reservation about the sampling of tyres in the Dutch study and drew the attention of GRB to the fact that the limit values in the 02 series of amendments to Regulation No. 117 had been introduced only in 2012 and that the transitional periods to comply with these limits were still ongoing. The expert from the Russian Federation argued in favour of setting new target values well in advance, in order to give the industry sufficient time to prepare for their introduction. The experts from Germany and OICA recalled the past experience in noise Regulations and pointed out that only tightening the tyre noise limits would not necessarily improve the real situation on the streets. The Chair shared their views and called for a more holistic approach prior to taking a decision.

14. GRB noted that the same proposals had been raised by the Netherlands at the EU level and that internal EU discussions were under way. GRB was of the view that the Working Party on Braking and Running Gear (GRRF), which also deals with Regulation No. 117, should be informed about the Dutch proposals. The expert from the Netherlands expressed his willingness to present the issue to GRRF. Finally, GRB agreed to revert to this subject at one of its future session, based on GRRF and EU deliberations.

Presentation on Japanese vehicle noise activities, including alignment with UN Regulations and subsequent abolition of certain current Japanese regulatory requirements (e.g. cruising noise, etc.).

16. The expert from China briefed GRB on the activities of the China vehicle noise standards working group (GRB-62-10). The experts from Japan informed GRB about the trends of noise regulation in Japan and gave an overview of the future policy for motor vehicle noise reduction (GRB-62-13-Rev.1 and GRB-62-12, respectively). The expert of ISO reported on the activities of his organization on interior noise, with the aim to review ISO 5128 (GRB-62-07). GRB took note of these presentations and felt that some of the issues raised could be included in the programme of work of GRB (see para. 27 below).

Presentation of Japan’s plans for phasing in UN R41, UN R51 (Phase 2, but not Phase 3 limits), and UN R117 requirements.

16. The expert from China briefed GRB on the activities of the China vehicle noise standards working group (GRB-62-10). The experts from Japan informed GRB about the trends of noise regulation in Japan and gave an overview of the future policy for motor vehicle noise reduction (GRB-62-13-Rev.1 and GRB-62-12, respectively). The expert of ISO reported on the activities of his organization on interior noise, with the aim to review ISO 5128 (GRB-62-07). GRB took note of these presentations and felt that some of the issues raised could be included in the programme of work of GRB (see para. 27 below).

Paper describing the development and application of a method for determining benefits of tyre noise reduction efforts in terms of the number of people impacted.

17. The expert from the Netherlands presented a policy indicator for road traffic noise emissions (GRB-62-14 and Add.1) that determines the effect of noise control at source on average noise levels at the dwelling facade and on estimated numbers of annoyed and sleep disturbed people. According to the expert, the indicator had been calculated for the Netherlands, showing a potential reduction of up to 50 per cent in annoyed and sleep disturbed people, if tighter limits for vehicles and tyres were introduced and road surfaces were improved. He also suggested that the policy indicator be applied for the whole EU. The experts from ETRTO and OICA commented on the proposed concept. The Chair proposed to continue the discussion in the future, taking into account comments from the industry.

Presentation on the Dutch-developed methodology for assessing the impact of changes to tyre and vehicle noise standards.

17. The expert from the Netherlands presented a policy indicator for road traffic noise emissions (GRB-62-14 and Add.1) that determines the effect of noise control at source on average noise levels at the dwelling facade and on estimated numbers of annoyed and sleep disturbed people. According to the expert, the indicator had been calculated for the Netherlands, showing a potential reduction of up to 50 per cent in annoyed and sleep disturbed people, if tighter limits for vehicles and tyres were introduced and road surfaces were improved. He also suggested that the policy indicator be applied for the whole EU. The experts from ETRTO and OICA commented on the proposed concept. The Chair proposed to continue the discussion in the future, taking into account comments from the industry.

The current text of UN R41 provides an allowance that increases the noise limit value by 1 dB(A) for motorcycles tested only in second gear under Annex 3. This allowance expires on 1 January 2017. IMMA proposes to extend this allowance until 1 January 2018 in response to the delayed implementation of UN R41-04 in the EU (2016 instead of planned 2014).

6. The expert from IMMA also proposed to extend, until 1 January 2018, the 1 dB(A) allowance for motorcycles tested in the second gear (GRB-62-15). Taking into account interventions of the experts from Germany and EC, GRB did not support this proposal.

Presentation by Dr. Edward C. Bell, Professional Development and Research Institute on Blindness, Louisiana Tech University.

21. The expert from WBU called for shared responsibility of drivers and vulnerable road users for road safety and requested that the Audible Vehicle Alert System (AVAS) of QRTV be “ON” while the vehicle is stationary and that the driver should not be able to deactivate (or pause) AVAS (GRB-62-03). He also referred to a study (GRB-62-16) suggesting that the proposed AVAS level of sound did not seem to make QRTV with AVAS more detectable to the average blind person than was QRTV without AVAS. According to the study, more research would be needed to determine a minimal noise level that would satisfy the desire to reduce noise emissions while remaining safe for pedestrians.

ETRTO comments raising concerns over the validity of the Dutch dataset used to support the proposal for higher tyre-noise stringency.

12. The expert from the Netherlands presented a study (GRB-62-09 and Add.1) on noise emission from the Original Equipment Manufacturer (OEM) tyres of a specific size which were found to be around 1 dB(A) lower than the one from replacement tyres of the same size. The expert, thus, proposed to further reduce the limit values for OEM tyres in the 02 series of amendments to Regulation No. 117 (GRB-62-11 and Add.1).

13. The expert from Switzerland expressed his support for the general direction of the Dutch proposal. The experts from Germany and EC were of the view that, at this stage, it would be premature to tighten the tyre noise limits of Regulation No. 117. The expert from France called for a holistic approach to this issue. The experts from ETRTO and OICA expressed doubts about the representativeness of the tyre sample used in the Dutch study. The expert from ETRTO also delivered comments on the proposal for amendments to Regulation No. 117 (GRB-62-17). Finally, GRB invited all experts to further study the Dutch proposal and decided to revert to this issue at the next session.

Comments on the draft Supplement 5 to the UN R28. The draft supplement aims to refine definitions, removes the “AWD” abbeviation for “audible warning device” to avoid confusion with its more common use for “all wheel drive”, adds T category agricultural vehicles to the scope, modifies some administrative communications, and proposes three-direction acoustic measurements.

3. The expert from the Russian Federation introduced an updated text of Regulation No. 28, with the aim to align its provisions with the current rulemaking practice. (ECE/TRANS/WP.29/GRB/2015/7). This proposal received comments from the experts of France, India and OICA (GRB-62-20, GRB-62-18 and GRB-62-21-Rev.1, respectively). In particular, the expert from France proposed to include a modular approach to permit the introduction of other audible signals. GRB invited the expert from the Russian Federation to take these comments into account and to submit a revised document for consideration at the next session.

Proposal to clarify the wording of the 03 series of amendments to UN R51 as adopted by the World Forum in June 2015 (document WP.29/2015/62). The adopted wording could lead to the interpretation that sound levels measured on the left side of the vehicle are mixed by calculation with sound levels measured on the right side of the vehicle. The proposed new wording clarifies that the overall sound emission is assessed individually per vehicle side.

8. The expert from OICA proposed to clarify the wording of Annex 3, paragraph 3.1.3. (GRB-62-19-Rev.1). GRB adopted this proposal, as contained in Annex III, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their March 2016 sessions as a draft Supplement 1 to the 03 series of amendments to Regulation No.51.

Proposal for corrections to the draft Supplement 5 to the regulation. The draft supplement aims to refine definitions, removes the “AWD” abbeviation for “audible warning device” to avoid confusion with its more common use for “all wheel drive”, adds T category agricultural vehicles to the scope, modifies some administrative communications, and proposes three-direction acoustic measurements.

3. The expert from the Russian Federation introduced an updated text of Regulation No. 28, with the aim to align its provisions with the current rulemaking practice. (ECE/TRANS/WP.29/GRB/2015/7). This proposal received comments from the experts of France, India and OICA (GRB-62-20, GRB-62-18 and GRB-62-21-Rev.1, respectively). In particular, the expert from France proposed to include a modular approach to permit the introduction of other audible signals. GRB invited the expert from the Russian Federation to take these comments into account and to submit a revised document for consideration at the next session.

Proposal to amend the draft Supplement 5 to the UN R28. The draft supplement aims to refine definitions, removes the “AWD” abbeviation for “audible warning device” to avoid confusion with its more common use for “all wheel drive”, adds T category agricultural vehicles to the scope, modifies some administrative communications, and proposes three-direction acoustic measurements.

3. The expert from the Russian Federation introduced an updated text of Regulation No. 28, with the aim to align its provisions with the current rulemaking practice. (ECE/TRANS/WP.29/GRB/2015/7). This proposal received comments from the experts of France, India and OICA (GRB-62-20, GRB-62-18 and GRB-62-21-Rev.1, respectively). In particular, the expert from France proposed to include a modular approach to permit the introduction of other audible signals. GRB invited the expert from the Russian Federation to take these comments into account and to submit a revised document for consideration at the next session.

20. The experts from France and Germany, in their capacity of Co-chairs of the Informal Working Group (IWG) on a Quiet Road Transport Vehicles (QRTV) Regulation under 1958 Agreement, presented a draft QRTV Regulation (ECE/TRANS/WP.29/GRB/2015/9 and GRB-62-22).

Presentation on low-noise pavements and the PERSUADE (PoroElastic Road
SUrface for Avoiding Damage to the Environment) project.

19. The expert from the Belgian Road Research Centre (BRCC) presented a new solution for noise reducing pavements, namely the poro-elastic road surface which provides for extreme noise reduction in a range from 7 to 12 dB(A) (GRB-62-23). GRB thanked BRCC for this presentation and looked forward to further studies and presentations on the issue.

25. The secretariat informed GRB about the recent activities of the Subgroup on UN Regulation No. 0, in particular, about its proposal to introduce a new concept of “IWVTA vehicle type” which would group vehicles of a given type and with the same level of conformity.

2. GRB considered and adopted the agenda.

Proposal to update and clarify the regulation. The proposal refines definitions, removes the “AWD” abbeviation for “audible warning device” to avoid confusion with its more common use for “all wheel drive”, adds T category agricultural vehicles to the scope, modifies some administrative communications, and proposes three-direction acoustic measurements.

3. The expert from the Russian Federation introduced an updated text of Regulation No. 28, with the aim to align its provisions with the current rulemaking practice. (ECE/TRANS/WP.29/GRB/2015/7). This proposal received comments from the experts of France, India and OICA (GRB-62-20, GRB-62-18 and GRB-62-21-Rev.1, respectively). In particular, the expert from France proposed to include a modular approach to permit the introduction of other audible signals. GRB invited the expert from the Russian Federation to take these comments into account and to submit a revised document for consideration at the next session.

In response to concerns that approval agencies may not grant manufacturers the additional 1dB for L(wot) on conformity of production tests as changes had been made to Annex 6 of R41-04, GRB issued an interpretation recorded in the report of its 56th session. The proposal formalizes the interpretation as an explicit provision of the regulation.

4. The expert from IMMA proposed to amend paragraph 8.2. of Regulation No. 41 on the conformity of production (ECE/TRANS/WP.29/GRB/2015/8), thus formalizing the interpretation agreed upon at the fifty-sixth session of GRB (ECE/TRANS/WP.29/GRB/54, para. 5). GRB adopted this proposal and requested the secretariat to submit it to the World Forum for Harmonization of Vehicle Regulations (WP.29) and the Administrative Committee (AC.1) for consideration and vote at their March 2016 sessions as a draft Supplement 4 to the 04 series of amendments to Regulation No. 41.

20. The experts from France and Germany, in their capacity of Co-chairs of the Informal Working Group (IWG) on a Quiet Road Transport Vehicles (QRTV) Regulation under 1958 Agreement, presented a draft QRTV Regulation (ECE/TRANS/WP.29/GRB/2015/9 and GRB-62-22).

22. GRB recalled that AVAS provisions had been recently adopted in the European Union and were scheduled to be announced in the United States of America in November 2015. Therefore, GRB stressed the urgent need for a QRTV Regulation and decided to adopt ECE/TRANS/WP.29/GRB/2015/9, subject to minor editorial corrections. The secretariat was requested to submit it to WP.29 and AC.1 for consideration and vote at their March 2016 sessions. At the same time, GRB was of the view that the concerns raised by WBU should be studied further, also bearing in mind recent technologies that improve road safety. To address these issues, GRB agreed that the mandates of both IWG QRTV for a Regulation and IWG QRTV for a GTR should be extended and requested the Chair to seek the WP.29 consent.