diff --git a/src/include/campo.aut b/src/include/campo.aut
index b1ac6bc20..464a50487 100755
--- a/src/include/campo.aut
+++ b/src/include/campo.aut
@@ -48,3 +48,4 @@ ha Hardy Caff
 ri Riclassificazioni
 vd Vendita al dettaglio
 gv Gestione versamenti F24
+tf Trasferimento fatture
\ No newline at end of file
diff --git a/src/include/lffiles.h b/src/include/lffiles.h
index 7b15d32a0..f86b4bae6 100755
--- a/src/include/lffiles.h
+++ b/src/include/lffiles.h
@@ -190,6 +190,8 @@
 #define LF_CONTACT             170
 #define LF_IVADIFF             171
 #define LF_RMOVANAC            172
+#define LF_TRASFATT						 173
+#define LF_IVALIQ							 174
 
 #define LF_EXTERNAL           1000 // Files with id >= are considered to be externals
 
diff --git a/src/include/modaut.h b/src/include/modaut.h
index 517b4eed7..77803c493 100755
--- a/src/include/modaut.h
+++ b/src/include/modaut.h
@@ -50,6 +50,7 @@
 #define RIAUT 47
 #define VDAUT 48
 #define GVAUT 49
-#define ENDAUT 50
+#define TFAUT 50
+#define ENDAUT 51
 
 #endif // __MODAUT_H
diff --git a/src/include/utility.cpp b/src/include/utility.cpp
index 60353f131..1b7f3baa2 100755
--- a/src/include/utility.cpp
+++ b/src/include/utility.cpp
@@ -692,3 +692,23 @@ void quoted_string(TString& query, const char* val)
   }
   query << '\'';
 }
+
+TString get_iva_sirio() 
+{ 
+	return "04879210963"; 
+}
+
+#if __cplusplus <= 199711L	// Funzioni introdotte in C++11
+
+int stoi(const char * value)
+{
+	TString app = value; 
+	int retVal = 0;
+	for(int i = 0; i < app.len(); i++)
+	{
+		retVal += pow(double(app[i] - '0'), app.len() - i);	// Convertito in double per evitare problemi di chiamata
+	}
+	return retVal;
+}
+
+#endif
\ No newline at end of file
diff --git a/src/include/utility.h b/src/include/utility.h
index 726b7fddb..de5d5186d 100755
--- a/src/include/utility.h
+++ b/src/include/utility.h
@@ -64,4 +64,12 @@ long daytime();
 bool expand_sys_vars(TString& str);
 void quoted_string(TString& query, const char* val);
 
+TString get_iva_sirio();	// Ritorna la partita IVA della Sirio
+
+#if __cplusplus <= 199711L	// Funzioni introdotte in C++11
+
+int stoi(const char * value);
+
+#endif
+
 #endif /* __UTILITY_H */