Speed bump orders placing via FIFO TWIME ASTS service

To the attention of FX market users.

The random speed bump technology is using while processing placing and replacement of orders with instruments Large Volume Trades (SDBP) board and some instruments of System Deals (CETS) board.

A random delay of transactions does not correspond to the basic First In First Out (FIFO) technical principle of FIFO TWIME ASTS service. NewOrderSingle and OrderReplaceRequest transactions on instruments with delayed order processing will be rejected with SessionReject message having SessionRejectReason = 5 (ValueIsIncorrect) and RefTagID = 55 (Symbol). Meanwhile, OrderCancelRequest and OrderMassCancelRequest transactions will not be rejected by the service.

Any protocol except FIFO TWIME ASTS can be used to enter new orders and replace orders on instruments with delayed processing on the FX market.