Specifications include, but are not limited to: Sacramento County seeks to build an integrated, cost-effective, and secure data storage and exchange system–the SHIE or SHC–to provide cross-sector data sharing between various health and social services departments to streamline care and link consumers to appropriate programs and services. Consideration of the current data sharing needs, existing technologies, and funding across healthcare and social service stakeholders in the county, including health plans, hospital systems, community clinics, private providers, emergency medical services, CBOs, and local government agencies informed the phased approach to constructing the SHIE presented below. The phases of development are subject to modification and adjustments as user needs, funding opportunities, and partner interests evolve.