This document defines an application interface between DSRC-based OBE (hereinafter referred to as "DSRC-OBE") and an external in-vehicle device (hereinafter referred to as "the external device") to make DSRC-OBE applicable for diversified external devices.Cross References:ISO/IEC 8825-2ISO 13141ISO/IEC 8824-1ISO 12813:2019ISO 14906:2018ISO 17575-3:2016ISO 17575-1:2016ISO/TS 19299:2015ISO 25110:2017EN 1545-2:2015EN 545-2:2015ISO 4217ISO/IEC 9798-4NIST 180-4All current amendments available at time of purchase are included with the purchase of this document.