IEC 63380-3 Ed. 1.0 b:2025

IEC 63380-3 Defines the secure information exchange between local energy management systems and electric vehicle charging stations. The local energy management systems communicate to the charging station controllers via the resource manager.
This document specifies the application of relevant transport protocols; in this case, SPINE (smart premises interoperable neutral-message exchange), SHIP (smart home IP), and ECHONET Lite. Other communication protocols can be defined in future editions.