OICA opposes introducing a regulatory requirement for horizontal adjustment of passing-beam/driving-beam and for AFS/ADB to the current SLR agenda. The proposal does not contribute to simplification of lighting regulations, no identified safety concern or ambiguity justifies this requirement, and it lacks a formal proposal from a Contracting Party, NGO, or other stakeholder. The SLR group is managing several longstanding unresolved issues, and introducing this topic risks further delaying progress. Harmonized requirements require comprehensive understanding of Periodic Technical Inspection specifications across all Contracting Parties, which are currently unavailable.

Annex 6 specifies methods for measuring variations in motor vehicle passing-beam inclination caused by changes in vehicle attitude due to loading. Para. 4 establishes vehicle preparation requirements: vehicles shall have travelled between 1,000 km and 10,000 km; tyres shall be inflated to full-load pressure with full fuel replenishment; parking brake released and gearbox in neutral; conditioning for at least 8 h at specified temperature; and headlamps with well-defined passing-beam cutoff should preferably be installed. Comments on para. 4 question compatibility with periodic technical inspection (PTI) requirements.