diff --git a/ve/velib04.h b/ve/velib04.h
index 64ac5f836..75220abaa 100755
--- a/ve/velib04.h
+++ b/ve/velib04.h
@@ -249,6 +249,7 @@ protected:
 	virtual void add_rows(TRiga_documento & rout, TRiga_documento & rin) { rout += rin; }
   virtual void create_row(TDocumento& doc_out, const TRiga_documento & rin);
 	virtual const TString & get_tipo_out(const TDocumento & doc_out) { return get("S8"); }
+  virtual void post_process(TDocumento & doc) {}
 
 public:
   virtual bool raggruppa(TDocumento& din, TDocumento& dout);
diff --git a/ve/velib04a.cpp b/ve/velib04a.cpp
index b7391daee..b02ce95a7 100755
--- a/ve/velib04a.cpp
+++ b/ve/velib04a.cpp
@@ -381,6 +381,7 @@ bool TFatturazione_bolle::elabora(TLista_documenti& doc_in, TLista_documenti& do
     td = tipo_cli.empty() ? tipo_out : tipo_cli;
     const TString& sconto = d.get(DOC_SCONTOPERC);
     d.put(DOC_SCONTOPERC, sconto);
+    post_process(d);
   }
   return tot > 0;
 }