Modify the 1st and 2nd paragraph from This document specifies the functional, performance, and quality requirements for the interior glazing of rail vehicles including type testing, routine testing, and inspection methods. This document applies to all rail vehicles. to This document specifies the functional, performance, and quality requirements for the interior glazing of rail vehicles including type testing, routine testing, and inspection methods for high speed rail, heavy rail, light rail and metro applications. This document is also applicable for tram vehicles. Modify the 6th paragraph from This document does not apply to materials other than glass. to This document does not apply to materials other than glazing materials. Modify the last paragraph from For safety reasons, where the use of a specific type of glass is required, this shall be set out in the technical specification or defined in national rules. to For safety reasons, where the use of a specific type of glazing is specified that is not covered by this document (e.g. bullet proof glazing, fire proof glazing, etc.), this document does not apply.