Ownership and responsibilities associated with each material data set should be assigned. Appropriate training should be rolled out to all relevant personnel to make them aware of their data-related responsibilities. For example, two roles that could be defined are data producer and data consumer. A data producer provides data to the data consumer according to predefined quality requirements. The consumer must define and communicate the expected quality requirements for the data and validate against them when the data are received. The roles change as data moves across the data flow.