Corrections to documents submitted by TF-AVRS and approved by GRBP amend terminology in UN R51.03 to harmonize bidirectional spelling, correct vehicle category references in UN R51.03 and UN R165 to reference category X only rather than non-existent category M1Y or category M, clarify in UN R64 that logical signals shall be transmitted to the ADS when an ADS feature is active, introduce references to specific ADS provisions in Annexes 5 and 7 of UN R138.02 and UN R165, add grammatical corrections to UN R141, and align UN R165 terminology with ADS regulation language.

Proposal to amend ECE/TRANS/WP.29/2026/89, ECE/TRANS/WP.29/2026/90, ECE/TRANS/WP.29/2026/95, ECE/TRANS/WP.29/2026/96, and ECE/TRANS/WP.29/2026/98 to modify para. 2.11.3. to define reference point for bi-directional vehicles, amend para. 2.31. to define bi-directional, amend Annex 3 Table 2 test mass values for vehicles in categories X and Y and vehicles equipped with ADS, amend para. 5.1.6.1. to specify logical and optical signals for category X or Y vehicles with ADS, amend para. 6.2. to reference ADS-specific provisions in Annex 5, amend Annex 9 paras. 2.2., 2.2.1., and 2.2.2. regarding vehicles equipped with ADS other than categories X and Y, amend para. 11.7. to define Category Y vehicles, add new para. 14.1.6. specifying ADS provisions in Annex 7, and amend para. 14.3. regarding pause function design for ADS features.