; (II) identifying, promoting, and implementing (as appropriate) best practices and evidence-based program and service models to assist older individuals in meeting their housing, health care, and other supportive service needs; (III) effectively collecting and disseminating information about older individuals and the programs and services available to the individuals to ensure that the individuals can access comprehensive information; (IV) adequately assisting States in better providing housing, health care, and other supportive services to older individuals; (V) ensuring the continued collection of data relating to the housing, health care, and other supportive service needs of older individuals and supporting efforts to identify and address unmet data needs