Interfaces/Job: Add check for currencyId format in ZUGFeRD documents

Jobs/Exceptions.vb

@@ -1,4 +1,6 @@
-Imports System.IO
+Imports System.Collections.Generic
+Imports System.IO
+Imports DigitalData.Modules.Interfaces.ZUGFeRDInterface
 
 Public Class Exceptions
     Public Class MissingValueException
@@ -75,4 +77,14 @@ Public Class Exceptions
             MyBase.New(pInfo)
         End Sub
     End Class
+
+    Public Class ValidationException
+        Inherits ApplicationException
+
+        Public ValidationErrors As List(Of ZugferdValidationError)
+
+        Public Sub New()
+            MyBase.New("ZUGFeRD document found but validation failed!")
+        End Sub
+    End Class
 End Class