diff --git a/templates/dataformat/cave.xml b/templates/dataformat/cave.xml
index f7e0c6b..022e50e 100644
--- a/templates/dataformat/cave.xml
+++ b/templates/dataformat/cave.xml
@@ -36,7 +36,7 @@ code used in the Austrian kataster e.g '1/S +' - https://expo/.survex.com/katast
     +   erforscht (exploration considered complete)
  -->
 <kataster_number>{{ cave.kataster_number|default_if_none:""|safe }}</kataster_number> <!-- (Either this or unofficial_number is required). Official number in Austrian kataster if one has been allocated  -->
-<unofficial_number>{{ cave.unofficial_number|default_if_none:"2022-XX-nn"|safe }}</unofficial_number><!-- (Either this or kataster_number is required). Initial temporary cave ID used until kataster number is allocated e.g. '2012-DD-01'-->
+<unofficial_number>{{ cave.unofficial_number|default_if_none:""|safe }}</unofficial_number><!-- (Either this or kataster_number is required). Initial temporary cave ID used until kataster number is allocated e.g. '2012-DD-01'-->
 {% for ce in cave.entrances.all %}
 <entrance>
   <entranceslug>{{ ce.entrance.slug|default_if_none:""|safe }}</entranceslug><!-- Internal ID to refer to each entrance instance in the entrance files (typically the same as that filename (e.g. 1623-161c). Matches the 'slug' field in the entrance file -->