private Object handleAnci(Object tos, String ref) {
      if (tos instanceof Person && ((Person)tos).getAncestorInterestSubmitterRef() == null && ref != null) {
         ((Person)tos).setAncestorInterestSubmitterRef(ref);
         return new FieldRef(tos, "AncestorInterestSubmitterRef");
      }
      return null;
   }