From FIXwiki

AllocStatus Value 3

Value	Name	Field(tag)	First introduced	Deprecated
3	Received	AllocStatus(87)	FIX.4.0

Used to acknowledge receipt of an Allocation Instruction message. This should always be followed by a second Allocation Instruction Ack of status 0, 1 or 2 as follows or an Allocation Report message.

Notes

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