TagField NameAbbr NameData TypeUnion DatatypeDescriptionPedigree
123GapFillFlagGapFillFlagBoolean

Indicates that the Sequence Reset message is replacing administrative or application messages which will not be resent.


GapFillFlagCodeSet
N=

Sequence Reset, Ignore Msg Seq Num (N/A For FIXML - Not Used)

Added FIX.4.0 [SequenceReset]
Y=

Gap Fill Message, Msg Seq Num Field Valid

Added FIX.4.0 [GapFillMessage]
Added FIX.4.0

Used in messages:
[SequenceReset]