3 Mar 2022	UN R148 and R149: Errors in the 01 series of amendments text	SLR-52-01/Rev.2	2022-03-03
20 Dec 2021	Agenda for the 52nd SLR informal group session	SLR-52-02/Rev.1	2021-12-20
1 Sep 2023	Topics for SLR Stage 2-Step 2	SLR-52-03/Rev.10	2023-09-01
10 Dec 2021	UN R148, R149, and R150: Transitional provisions	SLR-52-04	2021-12-10
14 Dec 2021	Comments to Regulation Nos. 48/53/74/86/148/149 (GTB)	SLR-52-05	2021-12-14
14 Dec 2021	SLR: Input on Stage 2-Step 2 program (OICA)	SLR-52-06	2021-12-14
20 Dec 2021	Simplification of lighting regulations: UNECE and FMVSS comparisons (OICA)	SLR-52-07	2021-12-20
14 Dec 2021	SLR: Input on Stage 2-Step 2 program (IMMA)	SLR-52-08	2021-12-14
16 Dec 2021	SLR: Input on Stage 2-Step 2 program (CEMA)	SLR-52-09	2021-12-16
20 Dec 2021	UN R148, 149, 150: Proposal to amend transitional provisions (EC)	SLR-52-10	2021-12-20
20 Dec 2021	Question concerning boundaries of geometric visibility for lighting (GTB)	SLR-52-11	2021-12-20
20 Dec 2021	Updated timeline for HID colour restriction (IEC)	SLR-52-12	2021-12-20
29 Aug 2022	Report from the 52nd SLR informal group session	SLR-52-13	2022-08-29