UN R46: Proposal for a Supplement 4 to the 03 series of amendments
Reference Number: WP.29/2026/177
Proposal to amend para. 6.1.1.3. to specify radius of curvature requirements for mirror parts in potential static contact with spheres of specified diameters, and insert new para. 6.1.1.9. providing an exemption from para. 6.1.1.3. requirements for mirrors with lower edges mounted not less than 2 m above ground at maximum technical permissible mass. Based on ECE/TRANS/WP.29/GRSG/2026/26.