diff --git a/ba/ba3700.cpp b/ba/ba3700.cpp
index 1cda300f3..9aec1e042 100755
--- a/ba/ba3700.cpp
+++ b/ba/ba3700.cpp
@@ -123,15 +123,16 @@ int BA3700_application::read(TMask& m)
   _pag->set_sheet(*_cs, ir);
   if (_pag->n_rate() > 1)
     _interv_rate = _pag->scad_rata(_pag->n_rate() - 1);
-
+  else _interv_rate = 30;
+  
   TArray* arr = new TArray;
   if (shuttle._rws != NULL) delete shuttle._rws;
   (*arr) = _cs->rows_array();
   shuttle._rws = arr;  
   
-  //  shuttle._msk->field(F_INT_RATE).set(format("%d",_interv_rate));
+  shuttle._msk->field(F_INT_RATE).set(format("%d",_interv_rate));
   shuttle._msk->field(F_NUM_RATE).set(format("%d",_pag->n_rate()));
-  shuttle._msk->field(F_RATE_DIFF).set(_pag->rate_differenziate() ? "1" : "2");
+  shuttle._msk->set(F_RATE_DIFF, _pag->rate_differenziate() ? "1" : "2", TRUE);
   
   return NOERR;
 }
@@ -148,7 +149,7 @@ void BA3700_application::init_insert_mode(TMask& m)
   shuttle._msk->field(F_INT_RATE).set("30");
   shuttle._msk->field(F_INIZIOSCAD).set("F");
   shuttle._msk->field(F_NUM_RATE).set("1"); 
-  shuttle._msk->field(F_RATE_DIFF).set("2");
+  shuttle._msk->set(F_RATE_DIFF, "2", TRUE);
 }
 
 void BA3700_application::init_query_mode(TMask& m)
@@ -407,7 +408,7 @@ bool BA3700_application::sheet_action(TSheet_field&, int r, KEY k)
                                 pag->mese_commerciale(),
                                 need_recalc);
       // see if parameters changed                          
-      msk->field(F_RATE_DIFF).set(pag->rate_differenziate() ? "1" : "2");
+      msk->set(F_RATE_DIFF, pag->rate_differenziate() ? "1" : "2", TRUE);
       msk->field(F_MESECOMM).set(pag->mese_commerciale()   ? "X" : "");
     }
     if (!recalc)
@@ -461,7 +462,7 @@ int BA3700_application::rewrite(const TMask& m)
   const int err = _pag->rewrite(tab_rpg); 
   if (err != NOERR) return err; 
   m.autosave(_rel);
-  tab_cpg.put("R1", _pag->rate_differenziate() ? "X" : "");
+  tab_cpg.put("B1", _pag->rate_differenziate() ? "X" : "");
   return _rel->lfile().rewrite();
 }
 
@@ -472,7 +473,7 @@ int BA3700_application::write(const TMask& m)
   const int err = _pag->write(tab_rpg);  
   if (err != NOERR) return err; 
   m.autosave(_rel);      
-  tab_cpg.put("R1", _pag->rate_differenziate() ? "X" : "");
+  tab_cpg.put("B1", _pag->rate_differenziate() ? "X" : "");
   return _rel->lfile().write();
 }
 
diff --git a/ba/ba3700a.uml b/ba/ba3700a.uml
index 118018772..489bd9356 100755
--- a/ba/ba3700a.uml
+++ b/ba/ba3700a.uml
@@ -7,6 +7,13 @@ ENDPAGE
 
 PAGE "Tabella condizioni di pagamento" -1 -1 78 15
 
+BOOLEAN 909
+BEGIN 
+  PROMPT 0 0 ""
+  FLAGS "GH"
+  FIELD %CPG->B1
+END
+
 GROUPBOX DLG_NULL 71 4
 BEGIN
   PROMPT 4 0 ""
@@ -115,10 +122,10 @@ LIST F_RATE_DIFF 25
 BEGIN
   PROMPT 5 7 "Rate           "
   HELP "Descrizione del meccanismo di generazione rate "
-  ITEM  "1|Differenziate"
-  ITEM  "2|Uguali (obbligate dalla 2a)"       
-  ITEM  "3|Uguali dalla prossima modifica"
-  ITEM  "4|Uguali finche' possibile"
+  ITEM  "1|Differenziate"                   MESSAGE "X",909
+  ITEM  "2|Uguali (obbligate dalla 2a)"     MESSAGE "",909     
+  ITEM  "3|Uguali dalla prossima modifica"  MESSAGE "X",909
+  ITEM  "4|Uguali finche' possibile"        MESSAGE "X",909
 END
 
 STRING F_ULT_CLASS 2