As ISO/IEC 33002 requires, no assessment begins until its sponsor has committed to it. The assessors then (a) plan it, (b) gather the data, (c) check the data, (d) work out the results and (e) report. ISO/IEC 33002:2015, 4.2 describes these activities further, and Annex C follows a fictional town hall through an assessment of four process instances from start to report.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.