This document describes remote support, which is the provision of information or intervention in DDT to LSAD systems operated at Level 4 automation on predefined routes by a remotely located human in order to facilitate trip continuation. • This document is applicable to RS-LSADS in vehicles that provide passenger transport or logistics services on predefined routes. • This document defines the terms and definitions related to RS-LSADS and the system architecture of RS-LSADS. • This document specifies types of RS-LSADS, remote monitoring, remote assistance and remote driving under very limited conditions, and conditions when they can be activated. • This document specifies the performance requirements, system requirements and performance test procedures of RS-LSADS. • This document specifies the data to be communicated between vehicles and RS-LSADS but does not specify protocols and other aspects of communication itself. • This document is applicable to remote support of operational and tactical functions, but does not apply to strategic functions.