11 January 2023 Agenda for the 60th SLR informal group session SLR-60-06	SLR-60-06	2023-01-11
11 January 2023 Report from the 55th SLR informal group session SLR-55-07	SLR-55-07	2023-01-11
19 January 2023 Headlamp levelling: Formula for vertical inclination limits of the cut-off (GTB) SLR-60-07	SLR-60-07	2023-01-19
23 January 2023 UN R48: Proposal for headlamp levelling provisions SLR-60-01/Rev.1	SLR-60-01/Rev.1	2023-01-23
23 January 2023 UN R48: Draft text to enable device transition under SLR SLR-60-02/Rev.1	SLR-60-02/Rev.1	2023-01-23
23 January 2023 UN R53: Draft text to enable device transition under SLR SLR-60-03/Rev.1	SLR-60-03/Rev.1	2023-01-23
23 January 2023 UN R74: Draft text to enable device transition under SLR SLR-60-04/Rev.1	SLR-60-04/Rev.1	2023-01-23
23 January 2023 UN R86: Draft text to enable device transition under SLR SLR-60-05/Rev.1	SLR-60-05/Rev.1	2023-01-23
23 January 2023 UN R48: Check of proposed diagram for headlamp aiming (OICA) SLR-60-08	SLR-60-08	2023-01-23
24 January 2023 Report from the 56th SLR informal group session SLR-56-04	SLR-56-04	2023-01-24
28 February 2023 Report from the 57th SLR informal group session SLR-57-09	SLR-57-09	2023-02-28
17 March 2023 SLR: Discussion paper on apparent surface (Netherlands) SLR-61-03	SLR-61-03	2023-03-17
22 March 2023 UN R149: Proposal for correction and supplement to the 01 series of amendments SLR-61-04	SLR-61-04	2023-03-22
22 March 2023 UN R48: Input on apparent surface luminance measurement (Marelli AL) SLR-61-05	SLR-61-05	2023-03-22
24 March 2023 UN R148: Comments on apparent surface issue (GTB) SLR-61-08	SLR-61-08	2023-03-24
24 March 2023 Draft SLR informal group report to GRE SLR-61-07	SLR-61-07	2023-03-24
24 March 2023 DETA: SLR draft input to GRE concerning UN R148, 149 and 150 with regards to the Unique Identifier SLR-61-06	SLR-61-06	2023-03-24
24 March 2023 SLR: Investigation-Apparent surface based on luminance criteria (GTB) SLR-61-09	SLR-61-09	2023-03-24
24 March 2023 Agenda for the 61st SLR informal group session SLR-61-01/Rev.1	SLR-61-01/Rev.1	2023-03-24
24 March 2023 UN R149: Proposal for a Supplement regarding front fog lamps SLR-59-05/Rev.1	SLR-59-05/Rev.1	2023-03-24
24 March 2023 UN R148: Proposal for corrections to the 01 series of amendments SLR-59-03/Rev.1	SLR-59-03/Rev.1	2023-03-24
16 May 2023 Report from the 58th SLR informal group session SLR-58-11	SLR-58-11	2023-05-16
9 June 2023 Report from the 59th SLR informal group session SLR-59-11	SLR-59-11	2023-06-09
20 June 2023 UN R149: Proposal for a correction to the 01 series of amendments SLR-62-06	SLR-62-06	2023-06-20
26 June 2023 UN R149: Correction to 01 series of amendments (photometric stability test point) (GTB) SLR-62-01/Rev.1	SLR-62-01/Rev.1	2023-06-26
26 June 2023 SLR: Improving visibility of direction indicators (Germany) SLR-62-08	SLR-62-08	2023-06-26
26 June 2023 SLR: H-plane and lighting installation limits (CLEPA) SLR-62-09	SLR-62-09	2023-06-26
26 June 2023 Unique Identifier: Input towards improving acceptance (CLEPA) SLR-62-10	SLR-62-10	2023-06-26
10 July 2023 SLR: Input on Stage 2-Step 2 (IEC) SLR-62-07/Rev.1	SLR-62-07/Rev.1	2023-07-10
10 July 2023 UN R148, R149, and R150: Proposals for corrections and clarifications SLR-62-11	SLR-62-11	2023-07-10
10 July 2023 UN R150: 00 series Table 13 versus 01 series Table 6 SLR-62-12	SLR-62-12	2023-07-10
10 July 2023 UN R150: Proposal for corrections to the 01 series of amendments SLR-62-13	SLR-62-13	2023-07-10
10 July 2023 UN R48: Discussion of apparent surface and angles of geometric visibility (GTB) SLR-62-14	SLR-62-14	2023-07-10
10 July 2023 UN R48: Proposal for dipped beam tell-tale requirements (IEC) SLR-62-15	SLR-62-15	2023-07-10
10 July 2023 Proposal for clarifications to SLR lighting device regulations SLR-53-11/Rev.7	SLR-53-11/Rev.7	2023-07-10
10 July 2023 Agenda for the 62nd SLR informal group session SLR-62-05/Rev.1	SLR-62-05/Rev.1	2023-07-10
10 July 2023 UN R148: Correction to the 01 series of amendments (typo in Table 8) SLR-62-02/Rev.1	SLR-62-02/Rev.1	2023-07-10
10 July 2023 UN R48: Corrections to the 08 and 09 series of amendments SLR-62-03/Rev.1	SLR-62-03/Rev.1	2023-07-10
4 August 2023 Report of the 60th SLR informal group session SLR-60-09	SLR-60-09	2023-08-04
10 August 2023 UN R48: Apparent surface-Review of ideas for simplification SLR-63-02	SLR-63-02	2023-08-10
10 August 2023 SLR: Revised discussion paper for Stage 2-Step 2 (IEC) SLR-63-04	SLR-63-04	2023-08-10
30 August 2023 UN R48: Addition of Annexes with summary tables (GTB) SLR-63-07	SLR-63-07	2023-08-30
30 August 2023 UN R48: Proposal to improve visibility of rearward-facing direction indicators (Germany) SLR-63-06	SLR-63-06	2023-08-30
31 August 2023 UN R53 and R74: Further simplification of definitions (IMMA) SLR-63-08	SLR-63-08	2023-08-31
1 September 2023 Topics for SLR Stage 2-Step 2 SLR-52-03/Rev.10	SLR-52-03/Rev.10	2023-09-01
1 September 2023 UN R48: Collation of proposals for [09] series of amendments (GTB) SLR-63-05/Rev.1	SLR-63-05/Rev.1	2023-09-01
1 September 2023 UN R48: Proposal to amend para. 6.2.8.2. (OICA) SLR-63-09/Rev.1	SLR-63-09/Rev.1	2023-09-01
1 September 2023 SLR: Agenda for the 63rd (August 2023) informal group session SLR-63-03/Rev.1	SLR-63-03/Rev.1	2023-09-01
1 September 2023 DETA: Table for Unique Identifier marking under lighting regulations SLR-62-04/Rev.2	SLR-62-04/Rev.2	2023-09-01
4 September 2023 SLR: General editorial review of UN R48 SLR-61-02/Rev.3	SLR-61-02/Rev.3	2023-09-04
4 September 2023 UN R48: Baseline document for Stage 2 simplification SLR-63-01/Rev.1	SLR-63-01/Rev.1	2023-09-04
23 September 2023 UN R48: Editorial restructuring of para. 6 SLR-64-03	SLR-64-03	2023-09-23
19 October 2023 Draft proposal to address technological neutrality for light sources (IEC) SLR-64-04	SLR-64-04	2023-10-19
10 November 2023 Agenda for the 64th SLR informal group session SLR-64-05/Rev.1	SLR-64-05/Rev.1	2023-11-10
10 November 2023 Proposal to improve the visibility of direction indicators (Germany) SLR-64-06/Rev.1	SLR-64-06/Rev.1	2023-11-10
10 November 2023 Effective Projected Luminous Lens/Lamp Area (EPLLA) (SAE) SLR-64-08/Rev.1	SLR-64-08/Rev.1	2023-11-10
10 November 2023 UN R48: Discussion on dimensions (height, width, length, distance) and para. 6.x.4. (GTB) SLR-64-07	SLR-64-07	2023-11-10
10 November 2023 SLR informal group: Organisation and operational issues SLR-64-10	SLR-64-10	2023-11-10
10 November 2023 UN R48: New approach to apparent surface (GTB) SLR-64-09	SLR-64-09	2023-11-10
10 November 2023 UN R48: Harmonisation across similar requirements (Prohibited if not allowed) SLR-64-02/Rev.2	SLR-64-02/Rev.2	2023-11-10
13 November 2023 UN R48: Proposal for correction SLR-64-11	SLR-64-11	2023-11-13
2 December 2023 Permissible vehicle-related lighting use cases under German legislation (Germany) SLR-65-01	SLR-65-01	2023-12-02
5 December 2023 SLR: Stage 2-Step 2 discussion paper (IEC) SLR-65-04	SLR-65-04	2023-12-05
5 December 2023 Replaceability of light source modules (IEC) SLR-65-05	SLR-65-05	2023-12-05
10 December 2023 UN R48: Proposals to simply "apparent surface" provisions (Netherlands) SLR-65-06	SLR-65-06	2023-12-10
12 December 2023 SLR: SLR-Consistency among similar lighting requirements (OICA) SLR-65-09	SLR-65-09	2023-12-12
12 December 2023 Proposal to improve the visibility of Direction Indicators (Germany) SLR-65-08	SLR-65-08	2023-12-12
12 December 2023 SLR: Basic idea for division of focus between UN “installation” and “device” Regulations (GTB) SLR-65-07	SLR-65-07	2023-12-12
15 December 2023 Agenda for the 65th SLR informal group session SLR-65-03/Rev.1	SLR-65-03/Rev.1	2023-12-15