protected void addTagToModel(
      AcCn46ActualConveyanceModel model, AcItem i, AcUpuTag upuTag, boolean useUld) {
    AcConsignment c = null;
    AcConsignmentFlight cf = null;
    String uld = "";
    if (i.hasConsignmentId()) {
      c = getConsignment(i.getConsignmentId());
      cf = getLastConsignmentFlightLeg(i.getConsignmentId());
    }
    if (useUld && i.hasParentNestId()) {
      AcNest nest = getNest(i.getParentNestId());
      if (nest.isUld()) uld = nest.getSerialNumber();
    }

    model.addTag(upuTag, c, cf, uld);
  }