Field HopSendingTime (629) - FIX Protocol FIX.5.0SP2 EP240
Time that HopCompID (628) sent the message. It is recommended that this value be the SendingTime (52) of the message sent by the third party. Applicable when messages are communicated/re-distributed via third parties which function as service bureaus or "hubs". Only applicable if OnBehalfOfCompID (115) is being used.
Added in protocol FIX.4.3