The BIA leader, a role the BCMS manager may hold, owns the BIA process and should: see that people with the needed competencies are on hand; develop and roll out the BIA methodology; plan and run the process; check that what activity owners supply is consistent across the organization; consolidate and analyse that information; and take the outcomes to top management and seek its approval.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.