Part 3 carries the overarching commitment: the insurer, its Distributors and its Service Suppliers will deal with the customer honestly, efficiently, fairly, transparently and in a timely way, and the rest of the Code sets out how that commitment is kept. It applies to all general insurance, retail and wholesale, and is the standard against which the Committee reads every other obligation.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.