Proposal to insert a new Introduction section containing provisions for vehicles of categories X and Y, amend the Scope to include vehicles of categories X and Y with specific exemptions based on the “R” point or front structural geometry, amend definitions of “Bonnet rear reference line,” “Front structure,” “Normal ride attitude,” “Side reference line,” “Windscreen test area,” and “Cowl monitoring area” to address vehicles of categories X and Y, and amend paragraph 5.3.1.2. regarding Automated Riding Height Suspension System engagement conditions. Changes compared to document ECE/TRANS/WP.29/2026/53 are indicated by red markup.