BookingUnit (Tag = 590, Type: char)

Indicates what constitutes a bookable unit.

Valid values:

'0'	Each partial execution is a bookable unit
'1'	Aggregate partial executions on this order, and book one trade per order
'2'	Aggregate executions for this symbol, side, and settlement date

Used in:

• Execution Report (8)
• New Order - Multileg (AB)
• Multileg Order Cancel/Replace Request (AC)
• New Order - Single (D)
• New Order - List (E)
• Order Cancel/Replace Request (G)
• New Order - Cross (s)
• Cross Order Cancel/Replace Request (t)

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