Change the processes that create, update and use data so that the errors analysed do not come back, putting the developed solutions in place and checking that they work; this is the Act stage, in which process performance is improved continually. ISO 8000-62 assigns it to maturity Level 5 (Innovating), where data quality management reliably meets organizational goals.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.