diff --git a/src/fp/fp0700.cpp b/src/fp/fp0700.cpp
index 5714ea3c2..cc6b9ec9c 100644
--- a/src/fp/fp0700.cpp
+++ b/src/fp/fp0700.cpp
@@ -485,15 +485,6 @@ void TPAR_mask::export_paf()
 						if (!yesno_box(msg))
 							break;
 					}
-					if (diagn)
-					{
-						TProgram_report mov_rep;
-						
-						mov_rep.load("fp0700a");
-						mov_rep.recordset()->set_var("#NUM", nreg);
-			
-						book.add(mov_rep);
-					}
 				}
 			}
 
@@ -508,7 +499,9 @@ void TPAR_mask::export_paf()
 		}
 		elab.show_log();
 		if (diagn)
-			book.preview();
+		{
+			print_reg();
+		}
 	}
 }
 
@@ -532,13 +525,27 @@ void TPAR_mask::print_reg()
 				{
 					const long          nreg = sht.get_long_row_cell(r, S_NUMREG);
 					TProgram_report mov_rep("fp0700a");
-					TISAM_recordset * recset = (TISAM_recordset *)mov_rep.recordset();
+		    	TISAM_recordset * recset = (TISAM_recordset *)mov_rep.recordset();
+					const TRectype & mov = cache().get(LF_MOV, nreg);
 
 					recset->set_var("#NUM", nreg, true);
 					recset->set_var("#TIPODOCSDI", tipo_doc_sdi, true);
 
-					//const TString n = "ACABBONE";
-					//recset->set_var("#NUMPREFIX", n, true);
+					const TCausale & caus = cached_causale(mov.get(MOV_CODCAUS), mov.get_int(MOV_ANNOES));
+
+					const TString & prefix = caus.reg().prefisso();
+					if (prefix.full()) 
+					{
+						TString num_prefix;
+						num_prefix.insert("/");
+						num_prefix.insert(prefix);
+						recset->set_var("#NUMPREFIX", num_prefix, true);
+					}
+					else 
+					{
+						recset->set_var("#NUMPREFIX", EMPTY_STRING, true);
+					}
+						
 					book.add(mov_rep);
 				}
 			}
diff --git a/src/fp/fp0700a.rep b/src/fp/fp0700a.rep
index 36d5f6624..878f0774e 100644
--- a/src/fp/fp0700a.rep
+++ b/src/fp/fp0700a.rep
@@ -55,7 +55,7 @@
    <source>"Registro " + 23.REG</source>
   </field>
   <field x="60" y="9" deactivated="" type="Stringa" hidden="" link="" dynamic_height="" shade_offset="" width="26" codval="" id="" pattern="1" hide_zero="" text="">
-   <source>"Documento cliente    n. " + 23.NUMDOC</source>
+   <source>"Documento cliente    n. "  + #NUMPREFIX + 23.NUMDOC</source>
   </field>
   <field x="86" y="9" deactivated="" type="Stringa" hidden="" link="" dynamic_height="" shade_offset="" width="15" codval="" id="" pattern="1" hide_zero="" text="">
    <source>"del " + 23.DATADOC</source>
diff --git a/src/fp/fplib01.cpp b/src/fp/fplib01.cpp
index 3e4429c33..9b50e24d1 100644
--- a/src/fp/fplib01.cpp
+++ b/src/fp/fplib01.cpp
@@ -3469,7 +3469,7 @@ bool TReg_fp::reg_to_paf(const TMovimento_contabile& mov)
 	{
 		numdoc.insert("/");
 		numdoc.insert(prefisso);
-		//set(MOV_NUMDOC, numdoc);
+	
 	}
 	paf0700f.set("P7_NUMERO", numdoc);
 	paf0700f.set("P7_GESTIONE", stato_paf());