1. The Working Party on Lighting and Light-Signalling (GRE) held its seventy-eighth session from 24 to 27 October 2017 in Geneva, under the chairmanship of Mr. M. Loccufier (Belgium). Experts from the following countries participated in the work according to Rule 1 (a) of the Rules of Procedure of the World Forum for Harmonization of Vehicle Regulations (WP.29) (TRANS/WP.29/690, ECE/TRANS/WP.29/690/Amends. 1 and 2): Austria; China; Czech Republic; Finland; France; Germany; Hungary; India; Italy; Japan; Latvia; Luxemburg; Netherlands; Norway; Poland; Republic of Korea; Spain; United Kingdom of Great Britain and Northern Ireland (UK) and Viet Nam. An expert from the European Commission (EC) participated. Experts from the following non‑governmental organizations also took part in the session: European Association of Automotive Suppliers (CLEPA); International Automotive Lighting and Light Signalling Expert Group (GTB); International Electrotechnical Commission (IEC); International Motorcycle Manufacturers Association (IMMA); International Organization of Motor Vehicle Manufacturers (OICA); Society of Automotive Engineers (SAE).

2. GRE considered and adopted the agenda (ECE/TRANS/WP.29/GRE/2017/8), as reproduced in GRE-78-01 together with the informal documents distributed during the session. GRE also note the running order proposed by the Chair (GRE-78-08).

GRE-78-01 | Updated provisional agenda for the 78th (October 2017) GRE session

GRE-78-08 | Running order of the agenda for the 78th (October 2017) GRE session

GRE/2017/8 | Annotated provisional agenda for the 78th GRE session

3. The list of informal documents is contained in Annex I to the report. The list of GRE informal groups is reproduced in Annex IV to the session report (document GRE/78).

4. GRE took note of the highlights of the June 2017 session of WP.29 and the official document submission deadline of 26 January 2018 for the April 2018 session of GRE (GRE-78-16).

GRE-78-16 | General information and WP.29 highlights for the 78th (October 2017) GRE session

5. No information was reported under this agenda item.

6. GRE noted that the Administrative Committee of the 1997 Agreement, at its June 2017 session, had adopted amendments to Rules Nos. 1 and 2 (ECE/TRANS/WP.29/2017/90 and ECE/TRANS/WP.29/2017/91).

WP.29/2017/90 | Proposal for amendments to Rule No. 1 Proposal to harmonize the provisions of UN Rule No. 1 with those of the latest UN Regulations annexed to the 1958 Agreement and the EU Directives.

WP.29/2017/91 | Proposal for amendments to Rule No. 2 Proposal to harmonize the provisions of UN Rule No. 2 with UN Regulations and EU Directives. This document supersedes WP.29/2016/88.

7. On behalf of the Informal Working Group ‘Simplification of the Lighting and Light-Signalling Regulations’ (IWG SLR), the expert from GTB reported on the progress and schedule of IWG SLR (GRE-78-34) in preparing the three new simplified UN Regulations on Light-Signalling Devices (LSD), Road Illumination Devices (RID) and Retro-Reflective Devices (RRD). He presented a draft LSD Regulation (ECE/TRANS/WP.29/GRE/2017/9), amendments to Regulations Nos. 48, 53, 74 and 86 that group the definitions and introduce references to the new simplified Regulations (ECE/TRANS/WP.29/GRE/2017/10, ECE/TRANS/WP.29/GRE/2017/11, GRE-78-11, GRE-78-12, GRE-78-13, GRE-78-14, GRE-78-15 and GRE-78-20), and the new transitional provisions to Regulations Nos. 3, 4, 6, 7, 19, 23, 27, 38, 50, 69, 70, 77, 87, 91, 98, 104, 112, 113, 119 and 123 (ECE/TRANS/WP.29/GRE/2017/13). The expert from India commented on the IWG SLR proposals (GRE-78-26).

8. GRE agreed that the new UN Regulations and the necessary amendments to the existing Regulations should be adopted as a package, possibly at the next session. GRE was of the view that all definitions should be moved to one place and that Regulation No. 48 would be the best choice for that purpose, in spite of the fact that not all Contracting Parties to the 1958 Agreement applied this Regulation. GRE also agreed, in principle, that the transitional period to start the application of the new UN Regulations should be twenty-four months, as proposed by IWG SLR in the draft transitional provisions. GRE decided to revert to this issue once the timeline for the entry into force of the new UN Regulations was known, and which depends on IWG SLR progress.

9. The expert from Germany drew the attention of GRE to the non-availability of the electronic database for the exchange of type approval documentation (DETA) and the Unique Identifier (UI) at the time of the entry into force of the new UN Regulations (GRE-78-27). This might create difficulties for applying approval markings and would make the full benefits of SLR impossible to reap. GRE agreed that the new UN Regulations should include a substitute solution of quasi-traditional approval markings pending the availability of UI.

10. On behalf of IWG SLR, the expert of GTB presented a new concept of “change index” which aims to adapt and simplify the traditional approval markings in the context of the new LSD Regulation (GRE-78-35 and Rev.1). In particular, he proposed a table that lists all devices covered by the LSD Regulation and indicates the series of amendments with the most stringent requirements for each device. Following an in-depth discussion, GRE felt that having in the approval marking both series of amendments and a change index would be superfluous. A number of experts spoke in favour of indicating the series of amendments only, preceded by the Regulation number. The expert from UK pointed out the need to study how the proposed solution would work for extension of type approvals. The Chair requested IWG SLR to address this issue and invited the expert from UK to contribute.

11. GRE requested IWG SLR to consult the European Committee of Associations of Manufacturers of Agricultural Machinery (CEMA) about the draft amendments to Regulation No. 86. GRE also noted that IWG SLR would consult the IWG on the International Whole Vehicle Type Approval (IWVTA) about the approval markings for the new LSD Regulation.

GRE-78-11 | Proposal for a Supplement to the 02 series of amendments to Regulation No. 53 Proposal to introduce new references to the new lighting device regulations developed under the Simplification of Lighting Regulations program. This informal proposal is for information and review with the references in brackets.

GRE-78-12 | Proposal for a Supplement to the 01 series of amendments to Regulation No. 74 Proposal to introduce references to the new lighting device regulations being finalized under the Simplification of Lighting Regulations program. This document is provided for information with the references to the future device regulations in brackets.

GRE-78-13 | Proposal for a Supplement to the 01 series of amendments to Regulation No. 86 Proposal to introduce references to the new lighting device regulations being finalized under the Simplification of Lighting Regulations program. This document is provided for information with the references to the future device regulations in brackets.

GRE-78-14 | Proposal for a Supplement to the 04 series of amendments to Regulation No. 48 Proposal to introduce references to the new lighting device regulations being finalized under the Simplification of Lighting Regulations program. This document is provided for information with the references to the future device regulations in brackets.

GRE-78-15 | Proposal for a Supplement to the 05 series of amendments to Regulation No. 48 Proposal to introduce references to the new lighting device regulations being finalized under the Simplification of Lighting Regulations program. This document is provided for information with the references to the future device regulations in brackets.

GRE-78-20 | UN R48: SLR informal group revision of GRE/2017/11 Revised proposal, superseding document GRE/2017/11, from the Simplification of Lighting Regulations informal group to introduce references to the three new simplified Regulations (Light-Signalling Devices (LSD), Road Illumination Devices (RID) and Retro-Reflective Devices (RRD)) into Regulation No. 48.

GRE-78-26 | Comments on GRE/2017/9, GRE/2017/13 and GRE-77-32

GRE-78-27 | Comments on all documents dealing with the simplification process and the “Unique Identifier (UI)”

GRE-78-34 | Status report of the SLR informal group

GRE-78-35 | Underlying Principles of Approval Marking for the LSD Regulation

GRE-78-35/Rev.1 | Underlying Principles of Approval Marking for the LSD Regulation (revised)

GRE/2017/10 | Proposal for Supplement [11] to the 06 series of amendments to Regulation No. 48 Proposal from the Simplification of Lighting Regulations informal group to consolidate common definitions of terms concerning lighting, light signalling, retro-reflective devices and device installation into Regulation No. 48. (Definitions specific to particular devices would be maintained in the respective device regulations.)

GRE/2017/11 | Proposal for Supplement [11] to the 06 series of amendments to Regulation No. 48 Proposal from the Simplification of Lighting Regulations informal group to introduce references to the three new simplified Regulations (Light-Signalling Devices (LSD), Road Illumination Devices (RID) and Retro-Reflective Devices (RRD)) into Regulation No. 48.

GRE/2017/13 | Collective amendments to Regulations Nos. 3, 4, 6, 7, 19, 23, 27, 38, 50, 69, 70, 77, 87, 91, 98, 104, 112, 113, 119 and 123 Proposal from the Simplification of Lighting Regulations informal group to introduce transitional provisions for the phasing out of the existing Regulations on lighting and light-signalling in conjunction with the introduction of three new simplified Regulations on Light-Signalling Devices (LSD), Road Illumination Devices (RID) and Retro-Reflective Devices (RRD).

GRE/2017/9 | Draft new Regulation on uniform provisions concerning the approval of light-signalling devices Proposal from the Simplification of Lighting Regulations informal group to combine provisions of UN Regulations Nos. 4, 6, 7, 23, 38, 50, 77, 87 and 91 into a single regulation. This consolidation aims to streamline the administration and implementation of these lighting regulations while setting the foundation for a future shift towards performance-based approval requirements. This proposal restructures the existing body of lighting regulations without changing their content (e.g., technical requirements).

12. GRE took note of a first draft RID Regulation (GRE-78-31) and invited experts to send their comments to IWG SLR by December 2017.

GRE-78-31 | Draft new UN Regulation concerning road illumination devices (lamps) and systems for power-driven vehicles

13. In the view of the ongoing idle period for the existing Regulations (stage 1 of SLR), the expert from Finland sought the consent of GRE to correct a mistake in Supplement 28 to the 01 series of amendments to Regulation No. 6 (GRE-78-06). GRE agreed (see Annex II), and requested the secretariat to submit it, in the proper legal form, to WP.29 and to the Administrative Committee of the 1958 Agreement (AC.1) for consideration and vote at their March 2018 sessions.

GRE-78-06 | Proposal for a Corrigendum to Supplement 28 to the 01 series of amendments to Regulation No. 6 Proposal to reinsert text in paragraph 1.3 concerning differentiation of types according to trade name or mark that was inadvertently omitted from Supplements 27 and 28 to the 01 series of amendments.

14. Pending the outcome of the discussion on light emitting diode (LED) substitute light sources (see agenda item 5, paras. 17-19), GRE agreed to postpone consideration of ECE/TRANS/WP.29/GRE/2017/14, ECE/TRANS/WP.29/GRE/2017/15 and GRE-78-04.

GRE-78-04 | Correction to the proposal for RID LED substitute light source requirements (GRE/2017/14) Request to delete the amendment to paragraph 3.3.4.1.1. in the proposal to introduce requirements for the use of light-emitting diode substitute light sources in the new Regulation on Light-Signalling Devices. The proposed amendment was included in the submission by mistake.

GRE/2017/14 | Proposal to introduce requirements for the use of light-emitting diode substitute light sources in the new Regulation on Light-Signalling Devices Proposal to introduce the following changes into the draft new Regulation on light-signalling devices:<ol><li>Use of LED substitute light source(s) is allowed and does not constitute a change of the lamp type. However, lamp performances shall be tested during type approval also with the LED substitute light source. Approval of the lamp using filament light source(s) is a prerequisite for approval of the lamp using LED substitute light source(s).</li><li>COP testing of the lamp is required with an (etalon) filament light source only, because the LED substitute is the counterpart light source of the filament light source, resulting in equivalent photometrical lamp performance. The quality i.e. the equivalence to the filament light source, is controlled in R128.</li><li>Use of LED substitute light sources is at the discretion of the applicant, who shall declare this use, if any, to the Approval Authorities at the time of application for the first lamp approval or subsequent extension of approval issued for the version using the LED substitute light source.</li><li>The use of LED substitute light source(s) in a certain lamp type shall be indicated on the lamp by marking of the LED substitute light source category, in addition to the marking of the filament light source of which the LED substitute light source is the counterpart.</li><li>This marking on the lamp will be used for checking the allowance for use of lamps with LED substitute light sources in application of the Regulation on lamps installation on vehicle.</li><li>In case a lamp with colour filter(s) is approved for using LED substitute light source(s), this lamp shall be marked “G” to indicate that this lamp shall be equipped with LED substitute light source(s) marked “G” for colour and luminous intensity quality reasons.</li><li>The indication of both the filament light source and of its LED counterpart light source, if any, shall be explicitly provided in the communication form.</li></ol>

GRE/2017/15 | Proposal to introduce requirements for the use of replaceable light emitting diode light sources for forward lighting in the new Regulation on Road Illumination Devices Proposal to introduce requirements for replaceable light-emitting diode (LED) light sources for forward lighting in the new Regulation on Road Illumination Devices (RID). As the Informal Working Group "Simplification of the Lighting and Light-Signalling Regulations" (IWG SLR) continues working on the new RID Regulation, it is not possible to indicate all detailed modifications that will be required to incorporate the replaceable LED light sources for forward lighting. However, in general, only simple editorial changes will be required. Further work is required to identify the changes that will be required in the annexes.

15. The expert from GTB proposed an amendment to Regulation No. 37, which corrects an error and aligns a term with Regulation No. 128 (ECE/TRANS/WP.29/GRE/2017/19). GRE adopted the amendment as draft Supplement 46 to the 03 series of amendments and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their March 2018 sessions.

GRE/2017/19 | Proposal for Supplement 46 to the 03 series of amendments to Regulation No. 37 Proposal to correct a reference to standard IEC (pursuant to a change in paragraph numbering of the IEC standard) and to align UN R37 with UN R48 and UN R128 with regard to the use of the term "chromaticity area". The wording "required tolerance area" in case of colour is changed to "required chromaticity area" to align with Regulation No. 48. This proposal was initiated by a proposal to amend Regulation No. 128 aimed at avoiding confusion with other tolerance areas.

16. The expert from GTB proposed to correct and amend some specifications in the Consolidated Resolution on the common specification of light source categories (R.E.5) (ECE/TRANS/WP.29/GRE/2017/18). The expert from IEC proposed another correction to R.E.5 (GRE-78-19 and Annex III). GRE adopted these proposals and requested the secretariat to submit them to WP.29 for consideration and adoption at the March 2018 session as draft Amendment 1 to the original version of R.E.5.

GRE-78-19 | RE5: Proposal for Amendment 1 to the original version of the Consolidated Resolution on the common specification of light source categories Proposal to correct HIR2 headlamp data.

GRE/2017/18 | Proposal for amendment 1 to the original version of the Consolidated Resolution on the common specification of light source categories With the publication of Revision 8 of Regulation No. 37 and the subsequent adoption of the Consolidated Resolution on the common specification of light source categories (R.E.5) (ECE/TRANS/WP.29/2016/111), light source experts and users of light source Regulations have made the correct linkages between the Resolution and third party documents. This proposal corrects a number of minor editorial errors in sheets of filament light sources that were discovered while making such linkages. The proposal further includes a number of customary administrative updates of International Electrotechnical Commission (IEC) cap sheet numbers in the IEC cap sheet references.

17. The expert from GTB presented revised amendments to Regulation No. 128 and to R.E.5 which introduced requirements, test specifications and new categories for light emitting diode (LED) substitute light sources (ECE/TRANS/WP.29/GRE/2017/17, ECE/TRANS/WP.29/GRE/2017/21). The proposals also included collective amendments to Regulations Nos. 48, 53, 74, 86 (ECE/TRANS/WP.29/GRE/2017/22 and GRE-78-02). The experts from Italy and OICA submitted written comments on the proposals (GRE-78-33 and GRE-78-28).

18. GRE noted that, compared to the original GTB proposals that had been considered at the previous session, the revised proposals contained safeguards against the possible misuse of LED substitutes as retrofits in lamps and/or vehicles that were not type approved for using such light sources. A number of experts were of the view that the proposed measures, such as consumer warning on packaging and a website with a list of compatible vehicle models, were not sufficient and reiterated their concerns as raised at the previous session. The expert of OICA pointed out that, to avoid any responsibility for misusing LED substitutes when installing on old vehicle types, the vehicle manufacturers would have be burdened to extend type approvals pursuant to the earlier series of amendments to Regulation No. 48 (GRE-78-28). GRE acknowledged the problem and noted that the failure detection provisions in Regulation No. 48 should be revised. Some experts advocated the idea of physical keying of LED caps to prevent installing unauthorized substitutes.

19. GRE noted that the discussion addressed two different, but interrelated issues: (a) allowing LED substitutes for new type approvals, as part of Original Equipment Manufacturer (OEM) and Original Equipment Supplier (OES), and (b) using LED as retrofits on old vehicle types. Some experts were of the view that the two cannot be separated from one another. To make progress, GRE agreed to establish a task force. The expert from Germany stated that another expert from his country would act as Chair of the task force, while the expert from UK provisionally agreed to become Co-Chair. The expert from IEC volunteered to provide secretarial support.

GRE-78-02 | Subsitute LED light sources: Differences between proposals in GRE/2017/4 and GRE/2017/22 Explanation of changes between the proposal to introduce requirements for light emitting diode (LED) substitute light sources into Regulations Nos. 48, 53, 74 and 86 presented at GRE-77E/2017/4) and the revised proposal (GRE/2017/22) submitted for consideration at GRE-78.

GRE-78-28 | Comments on GRE/2017/17 and GRE/2017/22

GRE-78-33 | Modification to document GRE/2017/22 Changes to the proposal to introduce LED light sources into the lighting installation Regulations Nos. 48, 53, 74 and 86.

GRE/2017/17 | Proposal for amendments to the original version of the Consolidated Resolution on the common specification of light source categories Proposal to introduce new light-emitting diode (LED) substitute light source categories C5W/LED, PY21W/LED and R5W/LED. This proposal is part of a package which also includes amendments to Regulation No. 128.

GRE/2017/21 | Proposal for Supplement 7 to the original version of Regulation No. 128 Proposal to introduce requirements and test specifications for light emitting diodes (LED) substitute light sources, including to<ol class="alpha"><li>introduce provisions for LED substitute light sources into Regulation No. 128;</li><li>introduce new category sheets C5W/LED, PY21W/LED and R5W/LED based on LED technology into the Consolidated Resolution (R.E.5);</li><li> establish equivalence criteria as guidance for specifying sheets for LED substitute light source categories. (These guidelines are intended for publication, with the agreement of GRE, on the GRE website under “reference documents”, similar to criteria for new filament light sources for head lighting (GRE-77-04). In addition, these criteria are being prepared for insertion in publication IEC 60810.);<li></li>introduce equivalence reports for the new categories C5W/LED, PY21W/LED and R5W/LED in LED technology (see GRE-77-02).</li></ol>

GRE/2017/22 | Proposal for a collective amendment to Regulations Nos. 48, 53, 74 and 86 Proposal to introduce requirements for light emitting diode (LED) substitute light sources into Regulations Nos. 48, 53, 74 and 86.

20. The expert from GTB presented revised proposals for amendments to Regulation No. 128 and to the Consolidated Resolution (R.E.5) with the aim to introduce requirements, test specifications and a new category for forward lighting LED light sources (ECE/TRANS/WP.29/GRE/2017/16, ECE/TRANS/WP.29/GRE/2017/20). GRE adopted the amendments and requested the secretariat to submit them to WP.29 and to AC.1 (Regulation No. 128 only) for consideration and vote at their March 2018 sessions. GRE noted that, if adopted, the R.E.5 amendment would enter into force on the same day as the corresponding supplement to Regulation No. 128.

GRE/2017/16 | Proposal for amendment 1 to the original version of the Consolidated Resolution on the common specification of light source categories Proposal to introduce a new light emitting diode (LED) forward lighting light source category L1/6. The proposal is part of a package which also includes amendments to Regulation No. 128. 2. GTB proposes one category L1/6 with “maximum test temperature” 65 °C. The definition of the maximum test temperature is necessary to ensure interchangeability between approved light sources from different manufacturers. A separate (unique) light source category is specified for every "maximum test temperature". The choice of installation of a light source with a given maximum test temperature is based on the application in the vehicle and determined by due diligence of the car maker and set maker, in the same way as is now the case with LED modules.

GRE/2017/20 | Proposal for Supplement 7 to the original version of Regulation No. 128 Proposal to introduce requirements and test specifications for light emitting diode (LED) light sources for forward lighting.

21. The expert from IEC pointed out that Regulations Nos. 37, 99 and 128 prescribe the approval code for the marking of light sources, however, in some instances the wording “approval number” is used. He proposed to correct the inconsistencies, specifically because Schedule 4 to the revised 1958 Agreement makes a distinction between the approval number and the approval code (GRE-78-18). The expert from the Netherlands volunteered to work with IEC to find a better solution for the communication form in Annex 1 to the above Regulations and to prepare an official document for the next session of GRE.

GRE-78-18 | Distinction between "approval code" and "approval number" under the 1958 Agreement

22. The expert from the Netherlands reported on the activities of the Task Force on Headlamp Switching (TF HS). He presented a first draft of amendment proposals to the 06 series of amendments to Regulation No. 48 (GRE-78-21-Rev.1) and a perspective on further editorial corrections (GRE-78-30). GRE agreed that these documents should be officially issued for the next session.

GRE-78-21/Rev.1 | Proposal for draft amendments to Regulation No. 48 Proposal from the Task Force on Headlamp Switching to clarify requirements for electrical connections for headlamps, daytime running lamps, and related lighting devices.

GRE-78-30 | Outlook on possible results of the editorial work on Regulation No. 48 following the proposed introduction of new definitions Headlamp switching task force working draft with possible amendments to UN R48 pursuant to GRE-78-21/Rev.1.

23. The expert from Japan provided interpretation of the provisions in the 06 series of amendment to Regulation No. 48 on automatic switching of dipped-beam headlamps and daytime running lamps relative to the ambient light conditions and stressed their positive implications for road safety (GRE-78-29). However, GRE and TF HS noted the concerns of Japan about possibilities for manual switching off and decided to revert to this issue at the next session.

GRE-78-29 | Interpretation of the 06 series of amendments to Regulation No. 48 Japan comments on manual switching off of headlamps during night conditions and the relationship between DRL and front position lamps.

24. Due to lack of time, GRE could not consider ECE/TRANS/WP.29/GRE/2017/23, ECE/TRANS/WP.29/GRE/2017/24, GRE-77-25 and GRE-78-05.

GRE-77-25 | Proposal for a consolidated version of GRE/2016/33 and GRE-76-17 on Regulation No. 48 Proposal to amend GRE/2016/33 and GRE-76-17 pursuant to discussions at the October 2016 GRE-76 session:<ol><li>The direct reference to Regulations Nos. 97 and 116 that was included in GRE-76-17, para. 2.37. was removed based on the observation of the representative of Finland on a potential split, in the future, of some of the Regulations under the responsibility of GRSG.</li><li>In another remark from the representative of Finland, the word “indicator” that was missing in the last sentence of para. 2.37. in the text of the proposals GRE/2016/33 and GRE-76-17 has been added.</li><li>Based on the comments from the representatives of France, UK, Finland and Japan, the area of the apparent surface, mentioned in GRE/2016/33 and GRE-76-17, para. 5.30. <notextile>(c)</notextile> has been lowered from 50 cm² to 20 cm², in the case of one indicator is being installed on the vehicle. If two indicators are installed, the area of the apparent surface should not exceed 10 cm² per indicator.

GRE-78-05 | Correction of errors and discrepancies in the 05 and 06 series of amendments to Regulation No. 48 Proposal to address inconsistencies, clarify text, and correct terminology in Regulation No. 48:<ul><li>para. 5.7.2.1. editorial alignment of text with current terminology</li><li>replace undefined "effective outlet" terminology with defined "apparent surface" reference</li><li>reintroduction of missing reference to "transverse plane" in paras. 5.10.1. and 5.10.2.</li><li>para. 6.2.9. and related subsequent paragraphs to clarify the application of the 2000 lumen criteria</li><li>para. 6.26.9.2. to correct a cross-reference with UN R23.</li></ul>

GRE/2017/23 | Proposal for Supplement 11 to the 06 series of amendments to Regulation No. 48 Proposal to re-insert paragraph 5.11.1.3. with regard to switching between headlamps and DRLs. Although GRE agreed to delete this and related paragraphs during its 77th session (see para. 19 and Annex II of the 77th session report), the Task Force on Headlamp Switching decided upon further review to retain the possibility to switch ON DRLs in conjunction with at least the rear position lamps without the need for the position lamps tell-tale in that case.

GRE/2017/24 | Proposal for Supplement 11 to the 06 series of amendments to Regulation No. 48 Proposal to enable approval of side-marker and position lamps with regard to switching requirements when mutually incorporated. Vehicles include designs where lamps wrap around vehicle corners. In cases where optional side-marker lamps are grouped with a position lamp that is reciprocally incorporated with the direction indicator, it should be possible to switch off the side-marker lamp (as can be done with the position lamp) in order to improve conspicuity of the direction indicator.

25. The expert from Poland, in his capacity of Chair of the Informal Working Group on Visibility, Glare and Levelling (IWG VGL), briefed GRE on the IWG activities (GRE-78-36). He introduced a proposal and justification for a new diagram that defines the limits of a new aiming range for the dipped-beam headlamp (GRE-78-23-Rev.1) by lines. He also proposed to delete the 2,000 lm criterion (GRE-78-32).

26. For line 1, GRE generally agreed to a move to the right to the 0.2 per cent mark. Several experts also agreed that this shift should correspond with a shift of line 4 to retain the 1.6 per cent tolerance. The experts from Poland and UK pointed out the need for additional justification of tolerances for moving line 4, and invited OICA to provide the necessary details. Based on the GRE considerations, the experts from Italy, Netherlands, UK and OICA offered to prepare an amendment proposal for consideration at the next session.

GRE-78-23/Rev.1 | Proposal and justification for lines defining the limits (diagram) for a new headlamp aiming range Proposal for new headlamp aiming tolerances from the informal group on Visibility, Glare, and Levelling.

GRE-78-32 | UN R48: Justification for deletion of the 2000 lm criterion

GRE-78-36 | Status report of the VGL informal group

27. GRE agreed to seek the consent of WP.29 to extend the mandate of IWG VGL for the year 2018 and requested IWG VGL to revise its Terms of Reference for consideration at the next session of GRE.

28. On behalf of the Task Force on Electromagnetic Compatibility (TF EMC), the expert from OICA presented a status report (GRE-78-10-Rev.1). He introduced revised amendment proposals to Regulation No. 10 (ECE/TRANS/WP.29/GRE/2017/12) and extended transitional provisions (GRE-78-09-Rev.1). He further mentioned that TF EMC was considering an additional proposal from the expert of Spain on the direct current charging mode that would be presented to the next session of GRE.

GRE-78-09/Rev.1 | UN Regulation No. 10: Proposal for Supplement 2 to the 05 series of amendments Proposal from the EMC task force to delete obsolete transitional provisions from UN R10 and introduce additional transitional provisions for the 05 series of amendments (e.g., covering five-year period during which Contracting Parties must accept vehicles approved to the 04 series and after which parties may refuse vehicles that do not comply with the 05 series). The proposal also requires Contracting Parties to continue accepting non-electrified vehicles (i.e., vehicles without battery charging systems) previously approved to the 03 or 04 series of amendments even after the five-year transitional period.

GRE-78-10/Rev.1 | EMC task force status report

GRE/2017/12 | Proposal for Supplement 2 to the 05 series of amendments to Regulation No. 10 Proposal from the task force on Electromagnetic Compatibility to align UN R10 with the International Special Committee on Radio Interference (CISPR) 12 Standard vehicle narrow-band limit and the last CISPR 12 set-ups (artificial networks, harness location, Z-folding, ...) for vehicles in charging mode.

29. The experts from India (GRE-78-25) and the Netherlands commented on the technical part of the TF EMC proposals. GRE was of the view that new transitional provisions would have to be submitted as an official document and should be aligned with the Draft General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations, which were expected to be adopted by WP.29 at its November 2017 session (ECE/TRANS/WP.29/2017/107, see agenda item 9, para. 36). GRE requested TF EMC to take into account the above considerations and to submit to the next session a revised consolidated proposal, possibly as a new series of amendments to Regulation No. 10.

GRE-78-09/Rev.1 | UN Regulation No. 10: Proposal for Supplement 2 to the 05 series of amendments Proposal from the EMC task force to delete obsolete transitional provisions from UN R10 and introduce additional transitional provisions for the 05 series of amendments (e.g., covering five-year period during which Contracting Parties must accept vehicles approved to the 04 series and after which parties may refuse vehicles that do not comply with the 05 series). The proposal also requires Contracting Parties to continue accepting non-electrified vehicles (i.e., vehicles without battery charging systems) previously approved to the 03 or 04 series of amendments even after the five-year transitional period.

GRE-78-25 | UN R10: Comments on document GRE/2017/12 Proposal to replace figures in the original proposal.

GRE/2017/12 | Proposal for Supplement 2 to the 05 series of amendments to Regulation No. 10 Proposal from the task force on Electromagnetic Compatibility to align UN R10 with the International Special Committee on Radio Interference (CISPR) 12 Standard vehicle narrow-band limit and the last CISPR 12 set-ups (artificial networks, harness location, Z-folding, ...) for vehicles in charging mode.

WP.29/2017/107 | Draft General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations Proposal from the IWVTA informal group to supersede the current guidelines for regulatory procedures and transitional provisions for UN Regulations (document WP.29/1044 and its Revision 1) with updated general guidelines for establishing or amending UN Regulations, including for the definition of scope, administrative and transitional provisions, use of alternative requirements, and cross-referencing with other regulations. This proposal aims to <ol class="alpha"><li>Streamline future work without superseding provisions of the 1958 Agreement and the existing UN Regulations,</li><li>Clarify rulemaking procedures pursuant to Revision 3 of the 1958 Agreement, and</li><li>Ensure "good regulatory practice" through clarifications to avoid divergence between the interpretation of Revision 3 and the application to UN Regulations.</li></ul>

30. The expert from IMMA proposed to allow the use of different activation methods for stop lamps, and to align the stop lamp provisions with those applicable for four-wheelers (ECE/TRANS/WP.29/GRE/2017/25 and GRE-78-07). GRE noted that a corresponding proposal for amendments to Regulation No. 78 had been submitted to the Working Party on Braking and Running Gear (GRRF). The experts from Finland, Germany, Italy, Netherlands and UK commented on the proposal. The Chair invited the expert of IMMA to update the proposal based on the comments received. GRE decided to consider an updated proposal at the next session that would include the issue of its legal form (supplement or a new series of amendments).

GRE-78-07 | Proposal for amendments to the draft supplements to UN R53 (GRE/2017/25) Proposal to align the draft Supplement 20 to the 01 series of amendments and draft Supplement 2 to the 02 series of amendments to UN R53 more closely with UN R48. These supplements concern the use of different stop lamp activation methods (in alignment with similar provisions for four-wheeled vehicles).

GRE/2017/25 | Proposal for Supplement 20 to the 01 series of amendments and for Supplement 2 to the 02 series of amendments to Regulation No. 53 Proposal to update the definition of “stop lamp” (in line with similar definitions in UN R7 and UN R48) so that it would allow the use of different stop lamp activation methods for powered two-wheelers (e.g. by the application of a retarder or a similar device). A corresponding proposal for amendments to Regulation No. 78 (GRRF/2017/14) has been submitted to the September 2017 session of the Working Party on Braking and Running Gear.

31. Due to lack of time, GRE did not consider ECE/TRANS/WP.29/GRE/2017/26, ECE/TRANS/WP.29/GRE/2017/27, GRE-77-08, GRE-77-09, GRE-77-17, GRE-78-22 and GRE-78-24.

GRE-77-08 | Proposal for draft amendments to Regulation No. 53 Proposal to make the fitting of front position lamps optional and allow for its separate control under certain conditions and to allow for rear positions lamps and registration plate lamps to be lit during the period between the activation of the master switch and the engine start.

GRE-77-09 | India Comments on glare given to oncoming vehicles by motorcycle DRLs at night

GRE-77-17 | Discussion of DRL automatic switching proposal for Regulation No. 53 During April 2016, Japan presented a study to GRE-75 on the disturbance due to the use of motorcycle daytime running lamps (DRL) at night (see GRE-75-09). A proposal (GRE/2016/35 supported by GRE-76-03) for automatic switching between DRL and headlamps was then presented during October 2016 at GRE-76. Italy, among others, raised a reservation. This document details Italy's concerns with the proposal by Japan.

GRE-78-22 | Proposals for a collective amendment to Regulation No. 53 and draft Regulation on Light Signalling Devices (LSD) Proposal from the special interest group of experts for DRL-L to introduce requirements for automatic switching from daytime running lamps (“DRL”) to headlamp(s) if maximum luminous intensity of DRL is above 700 cd.

GRE-78-24 | UN R53: Proposals for Supplement 1 to the 02 series of amendments and Supplement 19 to the 01 series of amendments Two part proposal to a) make the fitting of front position lamps optional and b) allow for its separate control under certain conditions and for rear positions lamps and registration plate lamps to be lit during the period between the activation of the master switch and the engine start.

GRE/2017/26 | Proposal for Supplement 20 to the 01 series of amendments to Regulation No. 53 and for Supplement 2 to the 02 series of amendments to Regulation No. 53 Proposal to remove the prohibition against lamps "reciprocally incorporated" with any other lamp. This proposal would align UN R53 with UN R48 and correct an oversight from a previous amendment process.

GRE/2017/27 | Proposal for a draft amendment to Regulation No.53 Proposal to explicitly allow direction indicators to be activated when the motorcycle engine is stopped in order to signal the vehicle status. Some motorcycles currently offer this feature; however, it is not clear whether the scope of Regulation No. 53 covers and allows this function.

32. The secretariat informed GRE that the Working Party on Road Traffic Safety (WP.1) had continued discussing amendment proposals to Article 32 and Chapter II of Annex 5 on lighting and light-signalling. GRE invited WP.1 to send these proposals to GRE for review, once finalized.

33. This item was not considered due to a lack of time.

34. GRE noted that Revision 3 of the 1958 Agreement (ECE/TRANS/WP.29/2016/2) had entered into force on 14 September 2017 and that a special webpage had been created by the secretariat with the text of the revised Agreement and frequently asked questions (ECE/TRANS/WP.29/2017/131). GRE was informed that the IWG on the International Whole Vehicle Type Approval (IWVTA) had submitted the final draft of UN Regulation No. 0 and explanations on IWVTA for consideration and approval at the November 2017 sessions of WP.29 and AC.1 (ECE/TRANS/WP.29/2017/108 and ECE/TRANS/WP.29/2017/109). GRE also took note that, following the adoption in June 2017 of amendments to Regulation No. 48, IWG IWVTA would consider the need to keep in Annex 4 to UN Regulation No. 0 references to the individual Regulations on lighting and light-signalling devices.

WP.29/2016/2 | Proposal for Revision 3 of the 1958 Agreement Document prepared by the WP.29 secretariat to provide a consolidated updated version of the proposed Revision 3 to the 1958 Agreement. The secretariat anticipates a decision by the World Forum to seek unanimous agreement on this proposed final text during its March 2016 session.

WP.29/2017/108 | Draft UN Regulation No. 0 on uniform provisions concerning the International Whole Vehicle Type Approval Proposal submitted by the informal working group on the International Whole Vehicle Type Approval for the establishment of UN Regulation No. 0 regarding the approval of whole vehicles within the framework of the 1958 Agreement. The regulations would establish an International Whole Vehicle Type Approval (IWVTA) scheme whereby Contracting Parties adhering to the Regulation may issue approvals to either a limited level (L-IWVTA) or to a wider range of technical topics included in the universal level (U-IWVTA). Contracting Parties are able to apply the limited or universal IWVTA depending upon the national situation. The Universal-IWVTA (U-IWVTA) provides a greater level of certainty for vehicle manufacturers and Contracting Parties applying this UN Regulation, as the approval has to be accepted without further assessment of the technical items covered by the U-IWVTA issued. Contracting Parties applying this UN Regulation are not obliged to accept approvals to the limited level (L-IWVTA) but may do so at their choice. However, they have also to accept approvals issued pursuant to U-IWVTA. The UN Regulation includes the administrative obligations of the IWVTA scheme. It does not establish separate technical requirements but instead refers to the provisions of the separate UN Regulations.

WP.29/2017/109 | Explanation to UN Regulation No. 0 on the International Whole Vehicle Type Approval - Questions and answers

WP.29/2017/131 | Revision 3 of the 1958 Agreement - Questions and answers

35. No information was reported on this topic.

36. At the request of WP.29 at its June 2017 session, GRE reviewed the Draft General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations (ECE/TRANS/WP.29/2017/107). In particular, GRE experts expressed various views on para. 6.1. on the application of additional national provisions for vehicle characteristics that were not covered by the scope of a UN Regulation. The Chair invited GRE experts to consider the Draft Guidelines and to submit their further comments, if any, to the secretariat and/or to IWG IWVTA as soon as possible.

WP.29/2017/107 | Draft General Guidelines for United Nations regulatory procedures and transitional provisions in UN Regulations Proposal from the IWVTA informal group to supersede the current guidelines for regulatory procedures and transitional provisions for UN Regulations (document WP.29/1044 and its Revision 1) with updated general guidelines for establishing or amending UN Regulations, including for the definition of scope, administrative and transitional provisions, use of alternative requirements, and cross-referencing with other regulations. This proposal aims to <ol class="alpha"><li>Streamline future work without superseding provisions of the 1958 Agreement and the existing UN Regulations,</li><li>Clarify rulemaking procedures pursuant to Revision 3 of the 1958 Agreement, and</li><li>Ensure "good regulatory practice" through clarifications to avoid divergence between the interpretation of Revision 3 and the application to UN Regulations.</li></ul>

37. GRE was informed that the Working Party on General Safety Provisions, at its recent session, had adopted amendment proposals on colours to Regulation No. 121 (Identification of controls, tell-tales and indicators) (GRSG-113-42 and GRSG-113-39). GRE supported the short-term solution proposed in GRSG-113-42 and noted that the long-term solution (GRSG-113-39) would be published as an official GRSG document and presented to GRE.

GRSG-113-39 | UN R121: Proposal for Supplement 10 to the original series of amendments and Supplement 2 to the 01 series of amendments Proposal to delete footnote ¹⁸ of Table 1 regarding telltale no. 1 (Master lighting switch) when it is combined with telltale no. 19 (Position, side marker, and/or end-outline marker lamps). The footnote is redundant and potentially confusing since UN R121 already refers to paragraph 5. of ISO 2575-2004 which states, "A given symbol may be shown in more than one of the colours specified in 5.1 in order to convey a change in the operating condition."

GRSG-113-42 | UN R121: Proposal for Supplement 10 to the original series of amendments and Supplement 2 to the 01 series of amendments Proposal to insert Footnote 18 for Tell-tale 1 (Master lighting switch) stating, “Symbol may be shown in other colours than specified in column 5 in order to convey different meanings according to the general colour coding as proposed in paragraph 5. of ISO 2575-2004.”

39. Due to a lack of time, GRE was not in a position to consider GRE-78-03.

GRE-78-03 | Evocative, suggestive or figurative apparent surfaces Request for guidance regarding interpretation of UN lighting rules:<ol><li>Is it allowed that the shape of the apparent surface can be the logo of the manufacturer brand or other brand-identifying figures?</li><li>Is it allowed that the shape of the apparent surface can be the same as an evocative/suggestive figure? Even as an informative figure such as road traffic signs?</li><li>Is the advertising lighting allowed at the national level in the Contracting parties, regarding to its influence on road safety and distraction?</li><li>Do we have to consider an apparent surface, whose shape is the logo of a brand manufacturer or other brand-identifying figures, as a advertising lighting?</li></ol>

38. The expert of SAE informed GRE about the Sixth International Forum on Automotive Lighting (IFAL) that would take place in China in June 2018 (GRE-78-17).

GRE-78-17 | 6th International Forum on Automotive Lighting, China (IFAL)

40. No new information was introduced under this agenda item.

41. For its next session, GRE decided to give priority to the proposals on simplification of lighting and light-signalling Regulations and then to the documents that had not been considered at this session due to a lack of time.

42. The expert from the Netherlands announced his intention to draft a proposal for amendment to Regulation No. 74 that would require mandatory installation of direction indicators on mopeds.

43. In compliance with Rule 37 of the Rules of Procedure (TRANS/WP.29/690 and ECE/TRANS/WP.29/690/Amend.1), GRE called for the election of officers. The representatives of the Contracting Parties, present and voting, elected unanimously Mr. M. Loccufier (Belgium) as Chair and Mr. D. Rovers (Netherlands) as Vice-Chair for the sessions of GRE scheduled in the year 2018.