There are four categories for demonstration years (DYs) 7-8:(1) Category A - Required Reporting, which requires performers to report their progress on core activities, alternative payment model arrangements, costs and savings, and collaborative activities, as described in §354.1709 of this division (relating to Category A Requirements for Performers);(2) Category B - Medicaid and Low-income or Uninsured (MLIU) Patient Population by Provider (PPP), which requires performers to maintain or increase the number of MLIU individuals served, as described in §354.1711 of this division (relating to Category B Requirements for Performers);(3) Category C - Measure Bundles and Measures, which requires performers to improve their performance on clinical outcome and process measures, as described in §354.1713 of this division (relating to Category C Requirements for Performers); and(4) Category D - Statewide Reporting Measure Bundles, which requires performers to report on certain measures based on their provider type, as described in §354.1715 of this division (relating to Category D Requirements for Performers).