The LegSecurityAltIDGrp group is used to identify a number alternate security identifiers for an instrument leg.
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|Tag #||Field Name||Req'd||Data type||Comments|
Replaces 7.X tag 146 (NoRelatedSym)
Number of alternate leg security IDs contained in this repeating group
Condition: Sent when there are one or more alternate leg security IDs
Replaces 7.X tag 10456 (UnderlyingSecurityAltID)
Alternate ID for an instrument or security, typically for display purposes.
New tag for TT
Class or source of the LegSecurityAltID (605) value.
Possible values include: