The practitioner asks the responsible party for a written assertion on how the subject matter measures up against the criteria, and judges whether management has reasonable grounds for that assertion. If an engaging party that is also the responsible party refuses, the practitioner withdraws where law permits; if a responsible party that did not engage the practitioner refuses, the refusal is disclosed in a report whose use is limited to the engaging party.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.