Informal Group
Simplification of Lighting and Light-Signalling Regulations (SLR)

Reports to: GRE
Session 1 11 Sep 2014 1 2014-09-11
Session 2 23 Oct 2014 2 2014-10-23
Session 3 14 Jan 2015 3 2015-01-14
Session 4 13 Apr 2015 4 2015-04-13
Session 5 13 Oct 2015 5 2015-10-13
Session 6 5-6 Nov 2015 6 2015-11-05
Session 7 15-16 Dec 2015 7 2015-12-15
Session 8 13-14 Jan 2016 8 2016-01-13
Session 9 29 Feb-1 Mar 2016 9 2016-02-29
Session 10 14-15 Apr 2016 10 2016-04-14
Session 11 9-10 Jun 2016 11 2016-06-09
Session 12 5-7 Sep 2016 12 2016-09-05
Session 13 5-7 Oct 2016 13 2016-10-05
Session 14 5-7 Dec 2016 14 2016-12-05
Session 15 21-23 Feb 2017 15 2017-02-21
Session 16 22-24 Mar 2017 16 2017-03-22
Session 17 16-18 May 2017 17 2017-05-16
Session 18 13-15 Jun 2017 18 2017-06-13
Session 19 12-14 Jul 2017 19 2017-07-12
Session 20 4-6 Oct 2017 20 2017-10-04
Session 21 18-21 Dec 2017 21 2017-12-18
Session 22 29 Jan-1 Feb 2018 22 2018-01-29
Session 23 4-6 Apr 2018 23 2018-04-04
Session 24 30 May-1 Jun 2018 24 2018-05-30
Session 25 3-5 Jul 2018 25 2018-07-03
Session 26 24-26 Sep 2018 26 2018-09-24
Session 27 10-12 Dec 2018 27 2018-12-10
Session 28 25-27 Feb 2019 28 2019-02-25
Session 29 27-29 Mar 2019 29 2019-03-27
Session 30 22-24 May 2019 30 2019-05-22
Session 31 3-5 Jul 2019 31 2019-07-03
Session 32 3-5 Sep 2019 32 2019-09-03
Session 33 9-11 Oct 2019 33 2019-10-09
Session 34 4-6 Nov 2019 34 2019-11-04
Session 35 11-13 Dec 2019 35 2019-12-11
SLR Ad Hoc Meeting-Headlamp Leveling 28 Nov 2019 35 2019-11-28
Session 36 8-10 Jan 36 2020-01-08
Session 37 2-5 Mar 37 2020-03-02
Session 38 27-29 May 38 2020-05-27
Session 39 7-10 Jul 39 2020-07-07
Recent documents submitted to SLR
Input concerning in-vehicle EV battery durability | SLR-39-09
8 July 2020-07-08 2020-07-08 18:26:14 UTC
UN R149: Marking size issue in Annex 13 | SLR-39-22
8 July 2020-07-08 2020-07-08 18:23:49 UTC
Lighting regulations: Scientific notation “cookbook” | SLR-39-04/Rev.1
8 July 2020-07-08 2020-06-30 15:04:46 UTC
UN R149: GTB proposal concerning “Matched pair” | SLR-39-11/Rev.1
7 July 2020-07-07 2020-07-01 15:31:32 UTC
Agenda for the 39th SLR informal group session | SLR-39-12/Rev.1
7 July 2020-07-07 2020-07-03 15:28:41 UTC
UN R86: Adaptation to UN R149 Stage 2 | SLR-39-21
6 July 2020-07-06 2020-07-06 17:26:27 UTC
UN R48: Proposal to retain Manual Headlamp Levelling | SLR-39-20
6 July 2020-07-06 2020-07-06 17:24:07 UTC
UN R48: Justification for GRE/2020/8 | SLR-39-19
6 July 2020-07-06 2020-07-06 17:20:40 UTC
UN R74: Adaptation to UN R149 Stage 2 | SLR-39-18
6 July 2020-07-06 2020-07-06 17:19:02 UTC
UN R53: Adaptation to UN R149 Stage 2 | SLR-39-17
6 July 2020-07-06 2020-07-06 17:17:12 UTC
UN R74: Correction concerning Class B | SLR-39-16
6 July 2020-07-06 2020-07-06 17:15:43 UTC
UN R53: Correction concerning references to definitions | SLR-39-15
6 July 2020-07-06 2020-07-06 17:14:38 UTC
SLR informal group submissions to the 83rd (October 2020) GRE session | SLR-39-13
6 July 2020-07-06 2020-07-03 15:29:14 UTC
UN R150: Proposal to insert TOP mark and unique marking requirement | SLR-39-09/Rev.1
6 July 2020-07-06 2020-06-30 20:20:19 UTC
UN R150: Proposal for correction to the 00 series | SLR-39-08/Rev.1
6 July 2020-07-06 2020-06-30 20:21:54 UTC
UN R149: Headlamp re-aiming (0.25°) | SLR-39-14
3 July 2020-07-03 2020-07-03 15:26:51 UTC
UN R149: Draft 01 series of amendments | SLR-39-10
30 June 2020-06-30 2020-06-30 20:31:41 UTC
UN R148: Supporting presentation on proposal for para. 4.8.3. | SLR-38-04/Rev.2
30 June 2020-06-30 2020-04-24 10:03:37 UTC
UN R148: Presentation on the main changes under the draft 01 series of amendments | SLR-39-06
30 June 2020-06-30 2020-06-30 20:24:49 UTC
UN R148: Open issues for the 01 series of amendments | SLR-39-07
30 June 2020-06-30 2020-06-30 20:23:16 UTC
UN R148: Draft 01 series of amendments | SLR-39-05
30 June 2020-06-30 2020-06-30 20:17:57 UTC
UN R150: Scientific notation changes | SLR-38-15/Rev.2
30 June 2020-06-30 2020-05-22 16:47:10 UTC
UN R149: Scientific notation changes | SLR-38-14/Rev.2
30 June 2020-06-30 2020-05-22 16:46:13 UTC
UN R148: Scientific notation changes | SLR-38-13/Rev.1
30 June 2020-06-30 2020-05-22 16:45:22 UTC
Lighting regulations: General remarks on scientific notation | SLR-38-12/Rev.2
30 June 2020-06-30 2020-05-22 16:44:03 UTC
UN R48: Draft update with new RID beam in R149-01 | SLR-39-03
17 June 2020-06-17 2020-06-26 17:16:48 UTC
UN R150: Draft presentation on proposed amendments | SLR-39-01/Rev.1
17 June 2020-06-17 2020-06-16 13:22:03 UTC
UN R150: Annex 24 drawing corrections and questions | SLR-39-02
16 June 2020-06-16 2020-06-16 13:23:19 UTC
SLR informal group priorities per GRE priorities | SLR-38-27
2 June 2020-06-02 2020-06-02 15:12:49 UTC
UN R150: Corrections-Chronological order of tests | SLR-38-26/Rev.1
2 June 2020-06-02 2020-05-28 17:57:03 UTC
UN R149: Figures for Annex 4 | SLR-38-24/Rev.1
2 June 2020-06-02 2020-05-27 09:15:03 UTC
UN R48: Update with new RID beam in R149-01 | SLR-38-23/Rev.1
2 June 2020-06-02 2020-05-27 09:13:44 UTC
UN R148: Updated draft for a 01 series of amendments | SLR-38-20/Rev.2
2 June 2020-06-02 2020-05-25 14:16:58 UTC
UN R149: Additional example for Annex 13 on "Arrangement of approval marks" | SLR-38-18/Rev.1
2 June 2020-06-02 2020-05-25 14:13:02 UTC
UN R149: Updated draft amendments | SLR-38-11/Rev.1
2 June 2020-06-02 2020-05-21 10:09:04 UTC
UN R48: Inconsistencies across Supplements 11, 12, and 13 of the 06 series | SLR-38-10/Rev.1
2 June 2020-06-02 2020-05-02 12:48:33 UTC
UN R150: Retro-reflective device regulations simplification stage 2 | SLR-38-08/Rev.2
2 June 2020-06-02 2020-04-24 14:11:25 UTC
UN R148: Discussion for Table 2 (Change index) | SLR-38-05/Rev.2
2 June 2020-06-02 2020-04-24 14:01:44 UTC
Subjects directly under SLR
Please note that some items may no longer be active.
RE 5: Resolution on light sources Last updated: July 2020 Resolution 5
SLR Last updated: July 2020 Program
UN R37 Filament Lamps Last updated: July 2020 UNR 37
UN R99 Gas-discharge Light Sources Last updated: December 2019 UNR 99
UN R128 LED Light Sources Last updated: July 2020 UNR 128
UN R148 Light-Signalling Devices Last updated: July 2020 UNR 148
UN R149 Road Illumination Devices (RID) Last updated: July 2020 UNR 149
UN R150 Retro-reflective Devices (RRD) Last updated: July 2020 UNR 150