2. GRRF considered the agenda prepared for the eighty-sixth session and adopted it (ECE/TRANS/WP.29/GRRF/2018/1 and Add. 1). The adopted agenda is reproduced in GRRF-86-27, including all informal documents received until the session’s starting date. GRRF also adopted the running order for the session as proposed in GRRF-86-01. The informal documents distributed during the session are listed in Annex I of the session report. The list of the Informal Working Groups of GRRF is reproduced in Annex II of the session report

17. The Chair of the IWG on the Agricultural Coupling Devices and Components reported on the activities of the group (GRRF-86-06) and presented GRRF-86-02, introducing ECE/TRANS/WP.29/GRRF/2018/4 with a draft Regulation on the Agricultural Coupling. GRRF received information on the texts of para. 4.5.

18. GRRF agreed that the stress weld limit should be qualified as absolute. It adopted the document and requested the secretariat make the necessary change and to submit the proposal as new draft UN Regulation on uniform provisions concerning the approval of mechanical coupling components of combinations of agricultural vehicles to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

19. The expert from CLEPA introduced GRRF-86-03 proposing a Corrigendum to UN Regulation No. 55. GRRF invited the expert from CLEPA to submit a revised proposal for consideration at the September 2018 session.

60. The secretariat presented ECE/TRANS/WP.29/GRVA/2018/10, in the absence of the expert from CLEPA, proposing to clarify some unintentional deletions introduced in UN Regulation No. 55. GRVA agreed with the proposal and requested the secretariat to clarify the follow-up action on this document with the Working Party on General Safety provisions (GRSG).

29. The expert from ETRTO presented GRRF-86-04, introducing GRRF-86-05, and announcing the intention of ETRTO to propose provisions for extended mobility tyres in UN Regulations Nos. 30 and 64, on the basis of initial work done by the tyre industry at the International Standardization Organization (ISO). GRRF noted the reference to ISO documentation and invited the expert from ETRTO to prepare a more detailed proposal for consideration at the next GRRF session, both concerning UN Regulations Nos. 30 and 64.

29. The expert from ETRTO presented GRRF-86-04, introducing GRRF-86-05, and announcing the intention of ETRTO to propose provisions for extended mobility tyres in UN Regulations Nos. 30 and 64, on the basis of initial work done by the tyre industry at the International Standardization Organization (ISO). GRRF noted the reference to ISO documentation and invited the expert from ETRTO to prepare a more detailed proposal for consideration at the next GRRF session, both concerning UN Regulations Nos. 30 and 64.

17. The Chair of the IWG on the Agricultural Coupling Devices and Components reported on the activities of the group (GRRF-86-06) and presented GRRF-86-02, introducing ECE/TRANS/WP.29/GRRF/2018/4 with a draft Regulation on the Agricultural Coupling. GRRF received information on the texts of para. 4.5.

18. GRRF agreed that the stress weld limit should be qualified as absolute. It adopted the document and requested the secretariat make the necessary change and to submit the proposal as new draft UN Regulation on uniform provisions concerning the approval of mechanical coupling components of combinations of agricultural vehicles to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

55. The secretariat introduced GRRF-86-07, reporting on the GRRF relevant highlights of the 173rd session of WP.29. For more information, please refer to the session report (ECE/TRANS/WP.29/1135).

4. The secretariat introduced GRRF-86-08, announcing that the next GRRF session would take place on 25-28 September 2018 and recalling that the deadline for the submission of official documents would be 29 June 2018.

41. The expert from Germany presented GRRF-86-09 with possible scenarios for developing snow tyre provisions for all tyres and vehicles categories as it is already existing for snow tyres of category C1, C2 and C3 for vehicles categories M and N. GRRF supported the scenario 2 proposed in the document and invited the expert from Germany and other interested experts to prepare snow tyre provisions according to this scenario.

21. The expert from Italy withdrew GRRF-86-10 and GRRF-86-11.

18. The expert from Italy introduced ECE/TRANS/WP.29/GRRF/2017/15 with provisions aimed at aligning the text of UN GTR No. 3 and UN Regulation No. 78 especially on tri-cycles Anti-lock Braking Systems (ABS), Emergency Stop Signal and means to disable the ABS function (‘ABS switch’), prepared in collaboration with the expert from IMMA. The expert from Canada answered to the proposal (GRRF-84-10). The expert from Italy presented ECE/TRANS/WP.29/GRRF/2017/16 with the report on the activities related to the amendment proposal to UN GTR No.3. The expert from India informed GRRF about regulatory activities in his Country on the obligation to install ABS on new motorcycle with an engine capacity of 125 cm3 and more.

19. GRRF recommended the expert from Italy to keep the draft amendment to GTR No. 3 as harmonized as possible with UN Regulation No. 78 especially with regard to the ABS switch to avoid subsequent amendments to UN Regulation No. 78.

20. The expert from Italy agreed to submit a revised proposal for the February 2018 session of GRRF.

50. GRVA agreed with the suggestion of expert from Italy to postpone the consideration of this item until the January 2019 session.

21. The expert from Italy withdrew GRRF-86-10 and GRRF-86-11.

18. The expert from Italy introduced ECE/TRANS/WP.29/GRRF/2017/15 with provisions aimed at aligning the text of UN GTR No. 3 and UN Regulation No. 78 especially on tri-cycles Anti-lock Braking Systems (ABS), Emergency Stop Signal and means to disable the ABS function (‘ABS switch’), prepared in collaboration with the expert from IMMA. The expert from Canada answered to the proposal (GRRF-84-10). The expert from Italy presented ECE/TRANS/WP.29/GRRF/2017/16 with the report on the activities related to the amendment proposal to UN GTR No.3. The expert from India informed GRRF about regulatory activities in his Country on the obligation to install ABS on new motorcycle with an engine capacity of 125 cm3 and more.

19. GRRF recommended the expert from Italy to keep the draft amendment to GTR No. 3 as harmonized as possible with UN Regulation No. 78 especially with regard to the ABS switch to avoid subsequent amendments to UN Regulation No. 78.

20. The expert from Italy agreed to submit a revised proposal for the February 2018 session of GRRF.

6. The expert from Japan presented (GRRF-86-12) a status report of the activities of the Informal Working Group (IWG) on Advanced Emergency Braking Systems (AEBS). GRRF agreed that AEBS for light vehicles should perform when the target is a vehicle, a pedestrian or a cyclist, recognizing that the technology for cyclist detection is still being refined . GRRF agreed to also consider the concern raised by the expert from Sweden on the detection of big animals by AEBS.

7. GRRF also agreed that AEBS for light vehicle should not be included in UN Regulation No. 131, noting that UN Regulation No. 131 is aimed at addressing situations on highways, while AEBS systems for light vehicle would primarily address urban situations.

48. The expert from Germany presented GRRF-86-13 tabled by the experts from Germany and from the Republic of Korea with a proposal for amendments to the ACSF testing provisions in Annex 8 of UN Regulation No. 79, based on the first experience gathered since the 02 series of amendments of UN Regulation No. 79 entered into force. GRRF welcomed the proposal and provided comments. The experts from Germany and the Republic of Korea volunteered to prepare a revised proposal aimed to avoid prescriptive requirements on the measurement instruments and providing more detailed justification e.g. on the sample rate and the filtering of the lateral acceleration data.

57. The GRRF chair mentioned that document ECE/TRANS/WP29/2018/35 would still contain square brackets. WP.29 agreed to remove the square brackets and to agree on transitional provision dates (as reflected in para. 92).

92. In ECE/TRANS/WP.29/2018/35, paragraphs 2.1.4., amend to read:

93. WP.29 noted the concern raised by the representative of OICA on the selection of an early date of application for the transitional provisions in paragraphs 12.2.3. and 12.2.4., which could create serious development difficulties, due to the introduction of new requirements compared to the very recently adopted 02 series of amendments, while vehicles are currently under development for the latter.

53. The expert from France introduced GRVA-01-38 (based on GRRF-86-13) addressing the accuracy of interpretation of data produced during system assessment. The expert from Germany welcomed the document and proposed to consider the filtering provisions together with the tolerances. Other experts welcomed the document and agreed to study it until the next session. GRVA agreed to resume consideration of this item at its January 2019 session.

35. The expert from France introduced ECE/TRANS/WP.29/GRVA/2019/9 based on GRRF-86-13 proposing clarifications of the Annex 8 testing provisions. The proposal received some comments from Japan, France, Germany and OICA. The expert from France agreed with the suggestion of GRVA to submit a revised proposal with more data for consideration at the September 2019 session. The experts from Japan, Germany and OICA were invited to share with GRVA their test data, supporting their positions.

33. The expert from France introduced ECE/TRANS/WP.29/GRVA/2019/19 proposing amendments to UN Regulation No.79 based on experience gathered by France, Germany and the Republic of Korea since the entry into force of the 03 series. The proposal received comments (see GRVA-04-09, GRVA-04-46). GRVA adopted the proposal as amended (GRVA-04-47) as reproduced in Annex III, as supplement to the 03 series of amendments to UN Regulation No.79 and requested the secretariat to submit it to WP.29 and AC.1, for consideration and vote at their March 2020 sessions.

56. The expert from OICA introduced GRRF-86-14 with provisions on the warning activation condition, in case of the system deactivation by the driver as well as a verification simplification of the throttle control action during testing. GRRF adopted the proposal as reproduced in Annex VII. GRRF requested to submit it together with ECE/TRANS/WP.29/GRRF/2013/13 as draft Supplement 3 to UN Regulation No. 89 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

61. The export from OICA introduced ECE/TRANS/WP.29/GRRF/2017/22 with provisions on the warning activation condition in case of the system deactivation by the driver as well as a verification simplification of the throttle control action during testing. The proposal received some comments. The expert from OICA agreed to prepare a revised proposal and additional information for the February 2018.

45. The expert from UK introduced ECE/TRANS/WP.29/GRRF/2018/10, proposing to include provisions applicable for Remote Control Manoeuvring (RCM) in UN Regulation No. 79. GRRF welcomed the proposal, noting that some vehicles were already delivered with this feature. GRRF agreed to insert provisions on RCM in UN Regulation No. 79. The proposal received a number of comments from Contracting Parties and from OICA, as reflected in GRRF-86-15.

46. The expert from UK volunteered to submit a revised proposal for consideration at the September 2018 session of GRRF and invited interested experts to contribute to this work stream.

52. The expert from UK mentioned the work done on provisions for Remote Controlled Manoeuvring (RCM) as in ECE/TRANS/WP.29/GRVA/2018/3 amended by GRVA-01-26. He informed GRVA that he informally consulted GRVA experts and that further work could be needed. GRVA agreed with his proposal to resume consideration of this proposal or consider a revised consolidated proposal at the January 2019 session of GRVA.

13. The expert from OICA introduced GRRF-86-16-Rev.1 with provisions related to the introduction of Remote Controlled Parking (RCP) in UN Regulation No. 79 (Steering equipment).

14. GRRF adopted the proposal as reproduced in Annex III and requested the secretariat to submit it as draft Supplement 1 to the 01 series of amendments to UN Regulation No. 13-H and as draft Supplement 15 to the 11 series of amendments to UN Regulation No. 13 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

83. The World Forum considered the draft amendments under agenda items 4.8.1 to 4.8.9 and recommended their submission to AC.1 for voting, subject to the following corrections:

In ECE/TRANS/WP.29/2018/53, page 2: for “Supplement 15” read “Supplement 16”,
In ECE/TRANS/WP.29/2018/59/Add.1, correct to read:
Insert the missing amendment to former paragraph 3.2.10, to read:

84. WP.29 referred informal documents WP.29-175-04 and WP.29-175-05 to the appropriate GR for further consideration.

52. The expert from OICA introduced GRVA-02-25, proposing clarifications of the requirements regarding the generation of a brake signal to illuminate the stop lamp especially in the context of hybrid electric and battery electric vehicles. The proposal received some comments. GRVA invited the expert from OICA to submit a revised proposal for review at the September 2019 session of GRVA.

39. The expert from OICA introduced GRRF-86-17 containing the field study report on the Tyre Pressure Monitoring System (TPMS) fitment and tyre inflation pressure which was mentioned in GRRF-86-33 presented at the eighty-fourth session of GRRF.

41. The expert from OICA introduced GRRF-84-33, presenting the results of a study aimed at evaluating the effectiveness of Tyre Pressure Monitoring Systems in general and especially indirect and direct systems by comparing the actual tyre inflation pressures with the individual recommended pressures. The expert offered to share the details of the study on request. The expert from ETRTO offered to review the study.

42. No information was presented on existing regulations and laws on the mandatory use of TPMS.

8. The expert from Germany recalled the purpose of ECE/TRANS/WP.29/GRRF/2017/24 proposing more stringent provisions on automatic reactivation of AEBS. He presented GRRF-86-32 addressing concerns expressed at the September 2017 session on the original proposal. The expert from OICA answered to the proposal (GRRF-86-18). The experts from Nordic Countries supported OICA’s proposal as they are facing user acceptance issues on their market due to false AEBS warnings. GRRF urged the experts from Germany and from OICA to submit a revised proposal for the September 2018 session of GRRF.

8. The expert from Germany presented ECE/TRANS/WP.29/GRRF/2017/24 proposing provisions on automatic reactivation of AEBS. The expert from OICA answered to the proposal (GRRF-84-21). GRRF reacted positively to the proposal and invited the experts from Germany and from OICA to submit a revised proposal for the February 2018 session of GRRF.

57. The expert from the Russian Federation introduced GRRF-86-19, inviting delegates to confirm the type of speed limitation systems requested for vehicles type approved for the transport of dangerous goods as specified in the European Agreement Concerning the International Carriage of Dangerous Goods by Road (ADR). GRRF confirmed that a vehicle equipped with a Speed Limitation Function would be in compliance with ADR Section 9.2.5 similarly to a vehicle equipped with a Speed Limitation Device.

59. GRRF learned that Jochen Schaefer (Bosch, CLEPA) would no longer attend the sessions of GRRF as he would enter the passive phase of his partial retirement agreement with his employer. GRRF congratulated him for his outstanding contributions to GRRF and wished him all the best for his future retirement.

47. The expert from Japan, on behalf of the Co-Chairs of the IWG on Automatically Commanded Steering Function (ACSF), reported on the outcome of the sixteenth session of IWG on Automatically Commanded Steering Function (ACSF) held on 23-25 January 2018 in Japan (GRRF-86-20-Rev.1). He explained that the group sought for guidance from GRRF on the proper way to address ACSF of Categories B2 and [C2]. GRRF agreed that the Category B2 shall be considered in the context of SAE level 3 or 4 as a first priority. GRRF recognised the interest from industry on an additional option for Category C (C2) and noted that the industry may work separately on this. The expert from Japan stated that, as a second priority, GRRF could also develop provisions for ACSF of Category B2 in the context of SAE level 2. GRRF reviewed in detail the presentation and provided recommendations to the IWG on ACSF on the basis of GRRF-86-20-Rev.1 as reflected in GRRF-86-36. Noting the ambitious deadline for the group and the number of tasks, GRRF’s recommendations included among others the establishment of tasks forces that would work through Web Conferencing in order to make progress before the next session of the IWG on ACSF scheduled in April 2018. GRRF also identified bodies that could develop provisions on transversal issues, not necessarily in the remit of GRRF under the current mandate. GRRF agreed that its Chair would consult GRSG on regulatory activities for Data Storage Systems for Automated Driving (DSSAD).

26. The expert from the Russian Federation, chairing the IWG on Tyre GTR, reported (GRRF-86-21) on the work done by the IWG on Tyres on the development of draft Amendment 2 of the GTR No. 16 (Tyres). He informed GRRF that a first informal document could be delivered for the September 2018 session of GRRF.

27. The Chair of the IWG introduced GRRF-86-22 with a memorandum on a “global marking for tyres”. He invited the Contracting Parties to the 1998 Agreement to review this memorandum and assess, whether the approach for tyre global marking in UN GTR No. 16 could be supported and whether it would be feasible to recognize a global tyre marking as an alternative to the existing national/regional tyre marking. The Chair invited GRRF delegates to respond to the memorandum.

30. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/5 with editorial correction and a number of imperial tyre sizes updated in Annex 5. He also introduced ECE/TRANS/WP.29/GRRF/2018/11 as a consolidated version of UN Regulation No. 54, containing ECE/TRANS/WP.29/GRRF/2018/5. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/11 as amended (GRRF-86-23 and GRRF-86-26) and as reproduced in Addendum 1 (based on GRRF-86-43) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 23 to UN Regulation No. 54 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

33. The expert from France presented ECE/TRANS/WP.29/GRRF/2018/9, aimed at harmonizing the definitions and provisions in Regulation No. 109 with those introduced in UN Regulations Nos. 30, 54 and 117. The expert from ETRTO introduced GRRF-86-24, proposing amendment to this proposal. GRRF adopted the proposal as amended by Annex VI (of the session report) and requested the secretariat to submit it as draft supplement 9 (note: corrected by GAR from Supplement 4 in the published report.) to UN Regulation No. 109. GRRF requested the secretariat to address corrections to the French version of the document suggested by the expert from France.

31. The expert from ETRTO introduced GRRF-86-25, highlighting a mistake in a footnote in ECE/TRANS/WP.29/2017/8 adopted as Supplement 17 to UN Regulation No. 75. GRRF adopted a proposal as reproduced in Annex V and requested the secretariat to submit it a Corrigendum 1 to UN Regulation No. 75 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

30. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/5 with editorial correction and a number of imperial tyre sizes updated in Annex 5. He also introduced ECE/TRANS/WP.29/GRRF/2018/11 as a consolidated version of UN Regulation No. 54, containing ECE/TRANS/WP.29/GRRF/2018/5. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/11 as amended (GRRF-86-23 and GRRF-86-26) and as reproduced in Addendum 1 (based on GRRF-86-43) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 23 to UN Regulation No. 54 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

2. GRRF considered the agenda prepared for the eighty-sixth session and adopted it (ECE/TRANS/WP.29/GRRF/2018/1 and Add. 1). The adopted agenda is reproduced in GRRF-86-27, including all informal documents received until the session’s starting date. GRRF also adopted the running order for the session as proposed in GRRF-86-01. The informal documents distributed during the session are listed in Annex I of the session report. The list of the Informal Working Groups of GRRF is reproduced in Annex II of the session report

28. The Secretary of the IWG on Tyres introduced GRRF-86-28 and GRRF-86-29, providing further details and explanations on what may be delivered by the IWG in September 2018.

28. The Secretary of the IWG on Tyres introduced GRRF-86-28 and GRRF-86-29, providing further details and explanations on what may be delivered by the IWG in September 2018.

58. The expert from Norway presented GRRF-86-30, reporting on the investigation of road crashes that involved trucks with potential issues related to the mechanical failure of the steering gear. GRRF invited its experts to review crash data available and agreed to further discuss this issue at its September 2018 session.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7 (amended by GRRF-86-31) with tyre sizes and tyre classification codes common in the United States of America and standardised by the Tire and Rim Association Inc. and with marking provisions on inflation pressure (for measurements and tests). He also introduced ECE/TRANS/WP.29/GRRF/2018/12 as a consolidated version of UN Regulation No. 106, containing ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/12 as amended and reproduced in Addendum 2 (based on GRRF-86-42) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 16 to UN Regulation No. 106 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

8. The expert from Germany recalled the purpose of ECE/TRANS/WP.29/GRRF/2017/24 proposing more stringent provisions on automatic reactivation of AEBS. He presented GRRF-86-32 addressing concerns expressed at the September 2017 session on the original proposal. The expert from OICA answered to the proposal (GRRF-86-18). The experts from Nordic Countries supported OICA’s proposal as they are facing user acceptance issues on their market due to false AEBS warnings. GRRF urged the experts from Germany and from OICA to submit a revised proposal for the September 2018 session of GRRF.

8. The expert from Germany presented ECE/TRANS/WP.29/GRRF/2017/24 proposing provisions on automatic reactivation of AEBS. The expert from OICA answered to the proposal (GRRF-84-21). GRRF reacted positively to the proposal and invited the experts from Germany and from OICA to submit a revised proposal for the February 2018 session of GRRF.

15. The expert from CLEPA introduced GRRF-86-33, highlighting a mistake in Revisions 7 and 8 of UN Regulation No. 13. The secretariat agreed to correct both revisions.

20. The expert from Poland introduced GRRF-86-34 proposing a clarification of item 9.3 in Annex 1 to UN Regulation No. 55. GRRF requested the secretariat to distribute this proposal with an official symbol at its September 2018 session.

61. The expert from Poland introduced ECE/TRANS/WP.29/GRVA/2018/11. GRVA agreed that this proposal should be reviewed by the Working Party on General Safety Provisions.

22. The expert from IMMA introduced GRRF-86-35 with provisions allowing additional conditions for the activation of the stop lamp. The proposal received some comments. GRRF noted that some conditions were related to regenerative braking and, therefore, GRRF recommended to explore corresponding provisions in UN Regulations Nos. 13 and 13-H on the braking performance of regenerative braking and to complement the proposal for amendments to UN Regulation No. 78 with corresponding provision, not only addressing brake light activation requirements. GRRF noted the potential need to clarify the need of the word “instantaneous” in para. 5.1.16. The expert from IMMA agreed to submit a revised proposal for the September 2018 session of GRRF.

21. The expert from IMMA introduced ECE/TRANS/WP.29/GRRF/2017/14 as amended GRRF-84-13 with provisions allowing additional conditions for the activation of the stop lamp. The expert from Canada recommended addressing this question within GTR No. 3. The Chair noted that ETRTO would not be allowed to propose amendments to GTR No. 3 and asked whether a Contracting Party to the 1998 Agreement could sponsor this amendment. GRRF raised the question why the author of the proposal selected provisions from Regulation No. 13 and not from Regulation No. 13-H. The expert from IMMA agreed to submit a revised proposal for the February 2018 session of GRRF.

51. The expert from IMMA introduced GRVA-01-42 as a follow-up proposal of
GRRF-86-35 aiming to specify the stop lamp activation criteria for conditions other than only on application of the service brake (e.g. regenerative braking). She explained that the proposal is based on the provisions laid down in UN Regulation No.13-H. The expert of OICA mentioned that they were working on amendments to these criteria. GRVA encouraged the experts from IMMA and OICA to come up with harmonized provisions for UN Regulations Nos. 78 and 13-H and requested the secretariat to distribute the proposal with an official symbol at the next session of GRVA unless an alternative proposal would be submitted by the experts from CLEPA and OICA.

47. The expert from Japan, on behalf of the Co-Chairs of the IWG on Automatically Commanded Steering Function (ACSF), reported on the outcome of the sixteenth session of IWG on Automatically Commanded Steering Function (ACSF) held on 23-25 January 2018 in Japan (GRRF-86-20-Rev.1). He explained that the group sought for guidance from GRRF on the proper way to address ACSF of Categories B2 and [C2]. GRRF agreed that the Category B2 shall be considered in the context of SAE level 3 or 4 as a first priority. GRRF recognised the interest from industry on an additional option for Category C (C2) and noted that the industry may work separately on this. The expert from Japan stated that, as a second priority, GRRF could also develop provisions for ACSF of Category B2 in the context of SAE level 2. GRRF reviewed in detail the presentation and provided recommendations to the IWG on ACSF on the basis of GRRF-86-20-Rev.1 as reflected in GRRF-86-36. Noting the ambitious deadline for the group and the number of tasks, GRRF’s recommendations included among others the establishment of tasks forces that would work through Web Conferencing in order to make progress before the next session of the IWG on ACSF scheduled in April 2018. GRRF also identified bodies that could develop provisions on transversal issues, not necessarily in the remit of GRRF under the current mandate. GRRF agreed that its Chair would consult GRSG on regulatory activities for Data Storage Systems for Automated Driving (DSSAD).

52. The secretariat informed GRRF about potential follow-up activities related to the entry into force of Revision 3 to the 1958 Agreement and the adoption of UN Regulation No. 0. He drew attention of GRRF to (a) the adopted guidelines related to the drafting of Transitional Provisions, (b) the possibility to insert provisions in UN Regulations preventing the use of the Unique Identifier as defined in the Agreement, © the discussion of the IWG on IWVTA on the new approval numbering in Schedule 4 potentially in conflict with marking provisions in Tyre regulations and in UN Regulation No. 90 (see GRRF-86-37), (d) the maintenance of Annex 4 in UN Regulation No. 0, (e) the update of the standard provisions related to the Conformity of Production still referring to Revision 2 of the 1958 Agreement.

53. The expert from CLEPA introduced GRRF-86-37, providing detailed information on the identification of a consistency issue between the provisions related to approval numbers according to UN Regulation No. 90 and those in Schedule 4 to the 1958 Agreement. GRRF requested the secretariat to submit this presentation to the IWG on IWVTA.

51. The GRRF Ambassador to the IWG on International Whole Vehicle Type Approval (IWVTA) provided a status report of the activities of the IWG (GRRF-86-38) informing GRRF among others about the adoption of UN Regulation No. 0 by AC.1 at the November 2017 session.

23. The expert from Spain recalled the purpose of the Special Interest Group of Experts on UN Regulation No. 90 and presented the status report of the group (GRRF-86-39).

24. The expert mentioned that UN Regulation No. 90 was not aligned with corresponding provisions in UN Regulation No. 78 and proposed amendments to Annex 7 (GRRF-86-41). GRRF requested the secretariat to keep this document on the agenda for its September 2018 session.

25. The expert from CLEPA introduced GRRF-86-40 proposing to amend ECE/TRANS/WP.29/2016/58, which was prepared on the basis of three documents with conflicting provisions. The secretariat informed GRRF that ECE/TRANS/WP.29/2016/58 was adopted by AC.1 as Supplement 3 to UN Regulation No. 90 and that the corrections proposed could not be adopted as drafted. The secretariat agreed to prepare a revised version that could potentially be adopted (GRRF-86-40-Rev.1) by AC.1 as a Supplement 4.

26. The expert from Italy presented GRRF-80-31, introducing ECE/TRANS/WP.29/GRRF/2014/23/Rev.2 and GRRF-80-37 and proposing requirements for the approval of replacement brake discs for L‑category vehicles, taking into consideration the latest technologies available in the market as well as comments received during the previous session of GRRF. GRRF adopted the proposal with the following amendments:

(a) the proposed transitional provisions (paras 12.1 to 12.6) shall be deleted;
(b) The note under Table A15/2.9 shall read: “There are no groups…”

27. The expert from CLEPA introduced ECE/TRANS/WP.29/GRRF/2015/22 proposing to enable the approval according to Regulation No. 90 of test groups instead of single variants. GRRF adopted the proposal with an amendment below:

In paragraph 4.2.3.(b), for “approval document” read “communication document”

28. GRRF adopted the proposal as amended and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2016 sessions, as Supplement 3 to the 02 series of amendments to Regulation No. 90.

25. The expert from CLEPA presented ECE/TRANS/WP.29/2016/22 based on GRRF-80-12 proposing amendments to provisions defined for equivalent brake discs and drums and a relaxation of the requirement on the thickness variation for interchangeable replacement discs or drums. The expert presented a revised proposal GRRF-81-04 limiting the thickness variation requirement modification to vehicles of category O2, O3, N3 and M3. The expert from Italy expressed his concern with the proposed requirement relaxation. After discussion, GRRF agreed on the revised document GRRF-81-04-Rev.1. GRRF adopted the proposal amended by Annex IV to the report and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2016 sessions, as Supplement 3 to the 02 series of amendments to Regulation No. 90.

25. The expert from CLEPA introduced GRRF-86-40 proposing to amend ECE/TRANS/WP.29/2016/58, which was prepared on the basis of three documents with conflicting provisions. The secretariat informed GRRF that ECE/TRANS/WP.29/2016/58 was adopted by AC.1 as Supplement 3 to UN Regulation No. 90 and that the corrections proposed could not be adopted as drafted. The secretariat agreed to prepare a revised version that could potentially be adopted (GRRF-86-40-Rev.1) by AC.1 as a Supplement 4.

23. The expert from Spain recalled the purpose of the Special Interest Group of Experts on UN Regulation No. 90 and presented the status report of the group (GRRF-86-39).

24. The expert mentioned that UN Regulation No. 90 was not aligned with corresponding provisions in UN Regulation No. 78 and proposed amendments to Annex 7 (GRRF-86-41). GRRF requested the secretariat to keep this document on the agenda for its September 2018 session.

55. The expert from Spain presented ECE/TRANS/WP.29/GRVA/2018/12 proposing to extend the scope of UN Regulation No. 90 with replacement brake lining assemblies for vehicles of Category L₆ and L₇, which were recently included in the latest version of UN Regulation No. 78 and to align the provisions in Annex 7 to UN Regulation No. 90 with those in the current text of UN Regulation No. 78. GRVA agreed to resume consideration of this document at its next session.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7 (amended by GRRF-86-31) with tyre sizes and tyre classification codes common in the United States of America and standardised by the Tire and Rim Association Inc. and with marking provisions on inflation pressure (for measurements and tests). He also introduced ECE/TRANS/WP.29/GRRF/2018/12 as a consolidated version of UN Regulation No. 106, containing ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/12 as amended and reproduced in Addendum 2 (based on GRRF-86-42) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 16 to UN Regulation No. 106 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

30. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/5 with editorial correction and a number of imperial tyre sizes updated in Annex 5. He also introduced ECE/TRANS/WP.29/GRRF/2018/11 as a consolidated version of UN Regulation No. 54, containing ECE/TRANS/WP.29/GRRF/2018/5. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/11 as amended (GRRF-86-23 and GRRF-86-26) and as reproduced in Addendum 1 (based on GRRF-86-43) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 23 to UN Regulation No. 54 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

2. GRRF considered the agenda prepared for the eighty-sixth session and adopted it (ECE/TRANS/WP.29/GRRF/2018/1 and Add. 1). The adopted agenda is reproduced in GRRF-86-27, including all informal documents received until the session’s starting date. GRRF also adopted the running order for the session as proposed in GRRF-86-01. The informal documents distributed during the session are listed in Annex I of the session report. The list of the Informal Working Groups of GRRF is reproduced in Annex II of the session report

2. GRRF considered the agenda prepared for the eighty-sixth session and adopted it (ECE/TRANS/WP.29/GRRF/2018/1 and Add. 1). The adopted agenda is reproduced in GRRF-86-27, including all informal documents received until the session’s starting date. GRRF also adopted the running order for the session as proposed in GRRF-86-01. The informal documents distributed during the session are listed in Annex I of the session report. The list of the Informal Working Groups of GRRF is reproduced in Annex II of the session report

12. The expert from Australia presented ECE/TRANS/WP.29/GRRF/2018/2 and ECE/TRANS/WP.29/GRRF/2018/3 clarifying the obligation for the vehicle type to be equipped with a Brake Assist System (BAS) or an Electronic Stability Control (ESC) system in order to receive a type approval according to UN Regulation No. 139 or UN Regulation No. 140 respectively. GRRF supported both proposals and requested the secretariat to submit them to WP.29 and AC.1 as draft Supplements 1 to UN Regulations Nos. 139 and 140 for consideration and vote at their June 2018 sessions.

12. The expert from Australia presented ECE/TRANS/WP.29/GRRF/2018/2 and ECE/TRANS/WP.29/GRRF/2018/3 clarifying the obligation for the vehicle type to be equipped with a Brake Assist System (BAS) or an Electronic Stability Control (ESC) system in order to receive a type approval according to UN Regulation No. 139 or UN Regulation No. 140 respectively. GRRF supported both proposals and requested the secretariat to submit them to WP.29 and AC.1 as draft Supplements 1 to UN Regulations Nos. 139 and 140 for consideration and vote at their June 2018 sessions.

17. The Chair of the IWG on the Agricultural Coupling Devices and Components reported on the activities of the group (GRRF-86-06) and presented GRRF-86-02, introducing ECE/TRANS/WP.29/GRRF/2018/4 with a draft Regulation on the Agricultural Coupling. GRRF received information on the texts of para. 4.5.

18. GRRF agreed that the stress weld limit should be qualified as absolute. It adopted the document and requested the secretariat make the necessary change and to submit the proposal as new draft UN Regulation on uniform provisions concerning the approval of mechanical coupling components of combinations of agricultural vehicles to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

17. The Chair of the IWG on the Agricultural Coupling Devices and Components reported on the activities of the group (GRRF-84-27) and presented ECE/TRANS/WP.29/GRRF/2017/13 as amended by GRRF-84-26 with a draft regulation on the Agricultural Coupling. GRRF discussed the texts of para. 4.5. contained in square brackets and requested the group to consider working protection laws. The expert from Sweden proposed to clarify the provisions for remote coupling and remote indication. GRRF agreed that the remote indication should be located where the remote operation takes place. The Chair of the IWG volunteered to submit a revised proposal at the February 2018 session of GRRF.

88. The World Forum considered the proposals for new UN Regulations on Hydrogen and Fuel Cell Vehicles of category L, and on mechanical coupling components of combinations of agricultural vehicles under items 4.12.1 and 4.12.2 and recommended their submission to AC.1 for voting.

89. The representative of Japan expressed his position to abstain for voting a new UN Regulation on mechanical coupling components of combinations of agricultural vehicles due to having no plan to apply it currently.

30. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/5 with editorial correction and a number of imperial tyre sizes updated in Annex 5. He also introduced ECE/TRANS/WP.29/GRRF/2018/11 as a consolidated version of UN Regulation No. 54, containing ECE/TRANS/WP.29/GRRF/2018/5. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/11 as amended (GRRF-86-23 and GRRF-86-26) and as reproduced in Addendum 1 (based on GRRF-86-43) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 23 to UN Regulation No. 54 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7 (amended by GRRF-86-31) with tyre sizes and tyre classification codes common in the United States of America and standardised by the Tire and Rim Association Inc. and with marking provisions on inflation pressure (for measurements and tests). He also introduced ECE/TRANS/WP.29/GRRF/2018/12 as a consolidated version of UN Regulation No. 106, containing ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/12 as amended and reproduced in Addendum 2 (based on GRRF-86-42) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 16 to UN Regulation No. 106 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2017/18 as complemented by GRRF-84-17 proposing the addition of a number of tyre sizes. The expert from ETRTO volunteered to prepare a revised proposal addressing the comments received for the February 2018 session of GRRF.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7 (amended by GRRF-86-31) with tyre sizes and tyre classification codes common in the United States of America and standardised by the Tire and Rim Association Inc. and with marking provisions on inflation pressure (for measurements and tests). He also introduced ECE/TRANS/WP.29/GRRF/2018/12 as a consolidated version of UN Regulation No. 106, containing ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/12 as amended and reproduced in Addendum 2 (based on GRRF-86-42) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 16 to UN Regulation No. 106 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

34. The expert from BIPAVER introduced ECE/TRANS/WP.29/GRRF/2018/8 with similar provisions as those in ECE/TRANS/WP.29/GRRF/2018/9 and proposed as amendments to UN Regulation No. 108. GRRF adopted the proposal as amended by Annex IV (of this report) and requested the secretariat to submit it as draft Supplement 4 (corrected by GAR from Supplement 9 in the published session report.) to UN Regulation No. 108 for consideration and vote by WP.29 and AC.1 at their June 2018 sessions.

33. The expert from France presented ECE/TRANS/WP.29/GRRF/2018/9, aimed at harmonizing the definitions and provisions in Regulation No. 109 with those introduced in UN Regulations Nos. 30, 54 and 117. The expert from ETRTO introduced GRRF-86-24, proposing amendment to this proposal. GRRF adopted the proposal as amended by Annex VI (of the session report) and requested the secretariat to submit it as draft supplement 9 (note: corrected by GAR from Supplement 4 in the published report.) to UN Regulation No. 109. GRRF requested the secretariat to address corrections to the French version of the document suggested by the expert from France.

33. The expert from France presented ECE/TRANS/WP.29/GRRF/2017/20, aimed at harmonizing the definitions and provisions in Regulation No. 109 with those introduced in Regulations Nos. 30, 54 and 117. Following the intervention of the expert from BIPAVER and the expert from Spain, GRRF agreed that the text proposed in para. 6.4.4. could be clarified. The expert from France volunteered to prepare a revised proposal together with the expert from Spain and from BIPAVER.

45. The expert from UK introduced ECE/TRANS/WP.29/GRRF/2018/10, proposing to include provisions applicable for Remote Control Manoeuvring (RCM) in UN Regulation No. 79. GRRF welcomed the proposal, noting that some vehicles were already delivered with this feature. GRRF agreed to insert provisions on RCM in UN Regulation No. 79. The proposal received a number of comments from Contracting Parties and from OICA, as reflected in GRRF-86-15.

46. The expert from UK volunteered to submit a revised proposal for consideration at the September 2018 session of GRRF and invited interested experts to contribute to this work stream.

51. The expert from UK introduced GRRF-84-09 proposing to include provisions applicable for Remote Control Manoeuvring (RCM). GRRF requested the secretariat to distribute this document with an official symbol for the February 2018 session of GRRF.

52. The expert from UK mentioned the work done on provisions for Remote Controlled Manoeuvring (RCM) as in ECE/TRANS/WP.29/GRVA/2018/3 amended by GRVA-01-26. He informed GRVA that he informally consulted GRVA experts and that further work could be needed. GRVA agreed with his proposal to resume consideration of this proposal or consider a revised consolidated proposal at the January 2019 session of GRVA.

30. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/5 with editorial correction and a number of imperial tyre sizes updated in Annex 5. He also introduced ECE/TRANS/WP.29/GRRF/2018/11 as a consolidated version of UN Regulation No. 54, containing ECE/TRANS/WP.29/GRRF/2018/5. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/11 as amended (GRRF-86-23 and GRRF-86-26) and as reproduced in Addendum 1 (based on GRRF-86-43) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 23 to UN Regulation No. 54 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.

32. The expert from ETRTO introduced ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7 (amended by GRRF-86-31) with tyre sizes and tyre classification codes common in the United States of America and standardised by the Tire and Rim Association Inc. and with marking provisions on inflation pressure (for measurements and tests). He also introduced ECE/TRANS/WP.29/GRRF/2018/12 as a consolidated version of UN Regulation No. 106, containing ECE/TRANS/WP.29/GRRF/2018/6 and ECE/TRANS/WP.29/GRRF/2018/7. GRRF adopted ECE/TRANS/WP.29/GRRF/2018/12 as amended and reproduced in Addendum 2 (based on GRRF-86-42) to the report. GRRF requested the secretariat to submit this amended proposal as draft Supplement 16 to UN Regulation No. 106 to WP.29 and AC.1 for consideration and vote at their June 2018 sessions.