Allow unbalanced vouchers when reading documents

README.md

@@ -11,6 +11,7 @@ To read a file create an instance of SieDocument and call ReadDocument.
 
 There are some properties on SieDocument that changes how the parsing works:
 
++ AllowUnbalancedVoucher: If true the parser will allow vouchers that do not sum to zero.
 + IgnoreMissingOMFATTNING: If true the parser will not flag a missing #OMFATTN as an error.
 + IgnoreBTRANS: If true #BTRANS (removed voucher rows) will be ignored.
 + IgnoreRTRANS: If true #RTRANS (added voucher rows) will be ignored.

jsiSIE/jsiSIE/SieDocument.cs

@@ -19,6 +19,8 @@ public class SieDocument
         public bool IgnoreMissingOMFATTNING = false;
         public bool IgnoreRTRANS = false;
         public bool IgnoreMissingDate = true;
+        public bool AllowUnbalancedVoucher { get; private set; }
+
 
         public string DateFormat = "yyyyMMdd";
         public Encoding Encoding;
@@ -543,7 +545,10 @@ private void closeVoucher(SieVoucher v)
 
                 check += r.Amount;
             }
-            if (check != 0) Callbacks.CallbackException(new SieVoucherMissmatchException(v.Series + "." + v.Number + " Sum is not zero."));
+            if (check != 0 && !this.AllowUnbalancedVoucher)
+            {
+                Callbacks.CallbackException(new SieVoucherMissmatchException(v.Series + "." + v.Number + " Sum is not zero."));
+            }
 
             Callbacks.CallbackVER(v);
             if (!StreamValues) VER.Add(v);
@@ -867,6 +872,6 @@ private void validateDocument()
         }
 
         public SieBookingYear rar { get; set; }
-
+        
     }
 }