The state of California. Division of workers' compensation (DWC) electronic data exchange (EDEX) system provides subscribers the ability to query the DWC database of ALL litigated workers' compensation cases and receive hearing notifications AS well AS other case significant events information AS events occur. EDEX processing occurs five times every DAY (except Saturday and Sunday). Case hearings and events notifications are updated every night. ALL transactions are batched. Then sent to DWC for processing. And await for responses in a timely fashion.