7. GRE noted the progress of the Informal Working Group “Simplification of the Lighting and Light-Signalling Regulations” (IWG SLR) and issues for consideration under step 2 of stage 2 of the simplification process (GRE-88-07), in particular:

• Simplifying and improving the definition of an apparent surface.
• Objective assessment of the actual functions as installed on the vehicle.
• Where possible, harmonizing requirements with other regions.
• Consistency among similar requirements and definitions in installation regulations.