diff --git a/config.yaml.example b/config.yaml.example
index 8d5b841..44daac8 100644
--- a/config.yaml.example
+++ b/config.yaml.example
@@ -13,6 +13,9 @@
 # The VAT rate
 #vat_rate: 21.0
 
+# VAT rate to Gnucash tax table name mapping
+#gnucash_vat_table: {}
+
 # The invoice ID format (see strftime(3) and %N for the sequence number)
 #invoice_id: %Y%N
 
diff --git a/stoptime.rb b/stoptime.rb
index 62dd4f6..93c66ef 100644
--- a/stoptime.rb
+++ b/stoptime.rb
@@ -162,12 +162,13 @@ module StopTime::Models
 
     # The default configuration. Note that the configuration of the root
     # will be merged with this configuration.
-    DefaultConfig = { "invoice_id"       => "%Y%N",
-                      "invoice_template" => "invoice",
-                      "hourly_rate"      => 20.0,
-                      "time_resolution"  => 1,
-                      "date_new_entry"   => "today",
-                      "vat_rate"         => 21.0 }
+    DefaultConfig = { "gnucash_vat_table" => {},
+                      "invoice_id"        => "%Y%N",
+                      "invoice_template"  => "invoice",
+                      "hourly_rate"       => 20.0,
+                      "time_resolution"   => 1,
+                      "date_new_entry"    => "today",
+                      "vat_rate"          => 21.0 }
 
     # Creates a new configuration object and loads the configuation.
     # by reading the file +config.yaml+ on disk (see {ConfigFile}, parsing