Standard Header
Must be
FIX.4.4Length of message expressed as the number of characters in the message following the BodyLength field up to, and including, the delimiter immediately preceding the checksum tag (10).
The message type.
The sequence number for this message.
Time of message transmission by the sender expressed in UTC. Format:
YYYYMMDD-HH:MM:SS.uuuIdentifies the party sending the message.
Identifies the party receiving the message.
If no data is available, this value is set to the SendingTime value. Format:
YYYYMMDD-HH:MM:SS.uuuCondition: Required for retransmission of messageIndicates possible retransmission of message with this sequence number.
Standard Trailer
Always the last field in a FIX message.