diff --git a/lib/ydim/invoice.rb b/lib/ydim/invoice.rb
index <HASH>..<HASH> 100644
--- a/lib/ydim/invoice.rb
+++ b/lib/ydim/invoice.rb
@@ -89,6 +89,11 @@ module YDIM
       config = PdfInvoice.config.dup
       config.formats['quantity'] = "%1.#{@precision}f"
       config.formats['total'] = "#{@currency} %1.2f"
+      if(item = @items[0])
+        if((item.vat_rate - YDIM::Server.config.vat_rate).abs > 0.1)
+          config.texts['tax'] = "MwSt 7.6%"
+        end
+      end
       invoice = PdfInvoice::Invoice.new(config)
       invoice.date = @date
       invoice.invoice_number = @unique_id
The Tax text of an exported PDF file becomes MwSt <I>% when vat_rate == <I>