lib/taxedo/region.rb in taxedo-0.0.3 vs lib/taxedo/region.rb in taxedo-0.0.4

@@ -31,9 +31,11 @@
 
     return selection.strftime('%Y%m%d').to_i
   end
 
   def taxes(rule, start_at)
+    raise 'TAXEDO: This tax rule doesn\'t exists!' if not @data['rules'][rule]
+
     @data['rules'][rule].map do |tax_id|
       tax_key = tax_from_start_date(tax_id, start_at)
 
       [tax_id, @data['taxes'][tax_id][tax_key]]
     end