if (destinationCompId != null) {
String destinationSubId = getField(header, DeliverToSubID.FIELD);
String destinationLocationId = getField(header, DeliverToLocationID.FIELD);
header.removeField(DeliverToCompID.FIELD);
header.removeField(DeliverToSubID.FIELD);
header.removeField(DeliverToLocationID.FIELD);
String gatewayCompId = getField(header, TargetCompID.FIELD);
String gatewaySubId = getField(header, TargetSubID.FIELD);
String gatewayLocationId = getField(header, TargetLocationID.FIELD);