Proposal to correct an error in the figure in Annex II, A3-X based on the original figure taken from UN R4, Annex 3 (b).

The document was prepared by the GRE-IWG SLR to show the latest status of work and collect feedback from GRE for the preparation of the final proposal that will be submitted to the 83rd GRE session.

Proposal to differentiate light source modules in cases where a signalling device contains more than one different module. The proposal adds the missing provision for multiple light source modules that is present in paragraph 3.6.2. of UN R7 and should be transposed into this regulation.