Proposal to amend UN R53:

• Simplify para. 2 by deleting vehicle type definition and consolidating definitions from UN Regulation No. 48,
• Consolidate para. 5 general specifications by reorganising lamp positioning requirements into para. 5.5. and 5.6., restructuring geometric visibility provisions, and clarifying electrical connections,
• Consolidate para. 6 individual specifications by standardising positioning formats into minimum/maximum height tables and reformatting geometric visibility angles into upwards/downwards/outwards/inwards notation,
• Delete para. 5.20. as its content moves to para. 5.6.,
• Delete Annex 3 as its content references UN Regulation No. 48,
• Simplify transitional provisions by deleting para. 11.1. through 11.11. and para. 11.12. and replacing with new para. 11.1. and 11.2. containing simplified provisions applicable to the 05 series of amendments with dates to be determined (1 September 20xx),
• Add Annexes 10 and 11 containing summary tables of lamp positioning and geometric visibility angles.