FIX and OUCH API user’s active orders in the order book could be automatically inactivated (suspended) in case of connection loss in the BISTECH Trading System (System). Although this functionality is actually inactivation of passive orders, it is widely known “cancel on disconnect” facility. This service is provided to the trading members only if requested. Automatically suspended (inactivated) orders could be reactivated via Trader Workstation (TW).