diff --git a/src/cg/cg3100.cpp b/src/cg/cg3100.cpp
index a464d73d0..d35a5fc35 100755
--- a/src/cg/cg3100.cpp
+++ b/src/cg/cg3100.cpp
@@ -1825,16 +1825,19 @@ bool TListaMov_application::segnala_errori_ogniriga()
 bool TListaMov_application::segnala_errori_iva()
 {
   TLocalisamfile& rmoviva = current_cursor()->file(LF_RMOVIVA);
-  const TRectype& mv  = current_cursor()->curr(LF_RMOV);
+  const TRectype& mov  = current_cursor()->curr(LF_MOV);
 
   if (current_cursor()->is_first_match(LF_RMOVIVA))
   {
     const TRecnotype nrec = rmoviva.recno();
+
     rmoviva.setkey(1);
     rmoviva.zero();
     rmoviva.put(RMI_NUMREG, _numero);
+
     const TRectype& rec = rmoviva.curr();
     const TRectype recc (rec);
+
     for (rmoviva.read(_isgteq); !rmoviva.eof() ;rmoviva.next())
     {
       if (rec > recc) 
@@ -1847,9 +1850,10 @@ bool TListaMov_application::segnala_errori_iva()
       }
       const TString4 cod = rec.get(RMI_CODIVA);
       real percind;
-      const int tipodet = get_tipodet_from_rmi(rec, mv, percind);
+      const int tipodet = get_tipodet_from_rmi(rec, mov, percind);
       const int tipocr  = rec.get_int(RMI_TIPOCR); 
       const TRectype& tab_iva = cache().get("%IVA", cod);
+
       if (!tab_iva.empty())
       {
         int allc = tab_iva.get_int("S7");
diff --git a/src/cg/cglib03.cpp b/src/cg/cglib03.cpp
index 2e882dd25..80b54e733 100755
--- a/src/cg/cglib03.cpp
+++ b/src/cg/cglib03.cpp
@@ -258,7 +258,7 @@ bool is_IVAxCassa(const TRectype& mov)
 int get_tipodet_from_rmi(const TRectype& rmi, const TRectype& mov, real& percind, const bool is_liq)
 {
 	const int annodoc = mov.get_date(MOV_DATAREG).year();
-	const TCausale caus(mov.get(MOV_CODCAUS), annodoc);
+	const TCausale & caus = cached_causale(mov.get(MOV_CODCAUS), annodoc);
 	
   int tipodet = 0;
 	percind = indetraibile_al(rmi.get(RMI_TIPODET), caus, annodoc, tipodet, is_liq);