7. The expert from the Informal Working Group Simplification of the Lighting and Light-Signalling Regulations" (IWG SLR) reported on their progress (GRE-82-39). He requested GRE to provide guidance on the future development of UN Regulation No. [149] concerning the light sources and reduction in the number of beams. GRE agreed with the approach envisaged by IWG SLR.