Proposal to clarify that ocular reference point adjustment applies only to back angle, and to reference the original version of UN R166 to prevent future ambiguity should Annex and paragraph numbering change in subsequent amendments.

Proposal to amend para. 2.9.1. to define “Adjusted ocular reference point” for vehicles of categories M₁ and N₁ which refers to the adjusted ocular reference point as defined in UN R166, adjusted for back angle according to UN R166 in its original version, Annex 10 paragraph 1. Based on ECE/TRANS/WP.29/GRSG/2026/19.

Proposal to clarify that ocular reference point adjustment applies only to back angle, and to reference the original version of UN R166 to prevent future ambiguity should Annex and paragraph numbering change in subsequent amendments.

Proposal to amend para. 2.9.1. to define “Adjusted ocular reference point” for vehicles of categories M₁ and N₁ which refers to the adjusted ocular reference point as defined in UN R166, adjusted for back angle according to UN R166 in its original version, Annex 10 paragraph 1. Based on ECE/TRANS/WP.29/GRSG/2026/19.

Proposal to clarify that ocular reference point adjustment applies only to back angle, and to reference the original version of UN R166 to prevent future ambiguity should Annex and paragraph numbering change in subsequent amendments.

Proposal to amend para. 2.9.1. to define “Adjusted ocular reference point” for vehicles of categories M₁ and N₁ which refers to the adjusted ocular reference point as defined in UN R166, adjusted for back angle according to UN R166 in its original version, Annex 10 paragraph 1. Based on ECE/TRANS/WP.29/GRSG/2026/19.