Manage how data move between systems, organizations and parties so that they still meet their specification in transit and on arrival: exchange formats, interfaces, conversion, validation and reconciliation. ISO 8000-62 assigns it to maturity Level 4 (Predictable); the master data parts (8000-110, 115, 120) set what a master data transfer must satisfy.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.