diff --git a/core/views/cave_kataster.py b/core/views/cave_kataster.py
index 3c7e02762..161c13f1b 100644
--- a/core/views/cave_kataster.py
+++ b/core/views/cave_kataster.py
@@ -30,7 +30,7 @@ def kataster(request, slug):
     else:
         return HttpResponseRedirect("/caves")   
 
-    
+    knum = 9999
     cavename = str(cave) + ".html"
     
     cave_data = Path( "cave_data", cavename  )
@@ -44,7 +44,16 @@ def kataster(request, slug):
         if str(ent.name).startswith(str(cave)):
             print(ent.name)
             entrance_data.append("entrance_data/"+ent.name)    
-    form = KatasterForm()
+            
+    if request.method == "POST":  # If the form has been submitted...
+        form = KatasterForm(request.POST)  # A form bound to the POST data
+        if form.is_valid(): 
+            clean = form.cleaned_data
+            knum = clean['kataster_number']
+            print(f" # kataster_number {clean['kataster_number']}")
+    else: # GET and fall-through if POST is not valid        
+        form = KatasterForm()
+        
     return render(
         request,
         "cave_kataster.html",
@@ -52,14 +61,13 @@ def kataster(request, slug):
             "form": form,
             "cave": cave,
             "cave_data": cave_data, "entrance_data": entrance_data,
-            "knum": "999",
-         },
-    )    
+            "knum": knum,
+         }, )    
     
 class KatasterForm(forms.Form):
-    areacode = forms.CharField(label='Full name', max_length=4, widget=forms.TextInput(attrs={'tabindex': 1, 'placeholder': '1623'}))
-    official_name = forms.CharField(label='CUCC name', max_length=160,widget=forms.TextInput(attrs={'tabindex': 2, 'placeholder': '2012-ns-07'}))
-    kataster_number= forms.CharField(max_length=10, widget=forms.TextInput(attrs={'tabindex': 3, 'placeholder': '999'}))
+    # areacode = forms.CharField(label='Full name', max_length=4, widget=forms.TextInput(attrs={'tabindex': 1, 'placeholder': '1623'}))
+    # official_name = forms.CharField(label='CUCC name', max_length=160,widget=forms.TextInput(attrs={'tabindex': 2, 'placeholder': '2012-ns-07'}))
+    kataster_number= forms.IntegerField(label="New kataster no.", widget=forms.TextInput(attrs={'tabindex': 1, 'size':1, 'placeholder': '9999'}))
     
 """
     areacode = models.CharField(max_length=4, blank=True, null=True) # could use models.IntegerChoices
diff --git a/templates/cave_kataster.html b/templates/cave_kataster.html
index 532827e80..0dd99a391 100644
--- a/templates/cave_kataster.html
+++ b/templates/cave_kataster.html
@@ -8,15 +8,23 @@
 
 
 <h2>Cave re-labelling from unofficial identifier to official Kataster number</h2>
-<h3>Cave '{{cave.official_name}}'</h3>
-<a href="/{{cave.url|safe}}">{{cave.slug|safe}}</a>
+<h3>Cave <a href="/{{cave.url|safe}}">{{cave.slug|safe}}</a> '{{cave.official_name|safe}}'</h3>
+
 
 
 <p>
 {% if cave.kataster_number %}
-This cave has already been "katastered". area:{{cave.areacode |safe}}  number:{{cave.kataster_number |safe}} 
+<b>This cave has already been "katastered". area:{{cave.areacode |safe}}  number:{{cave.kataster_number |safe}} 
+</b>
 {% else %}
 This cave needs to be "katastered". If you have the new number issued by the Austrians, we can do it now.
+ <form action="{% url 'kataster' cave.slug %}" method="post">
+{% csrf_token %}
+{{form.as_p}}
+	<button  class="fancybutton"  style="padding: 0.5em 25px; font-size: 100%;" type = "submit" >
+		See what the edits look like &rarr;
+	</button>	
+</form>
 {% endif %}
 
 <h3>Rename the .html files</h3>
@@ -29,15 +37,50 @@ This cave needs to be "katastered". If you have the new number issued by the Aus
 </div>
 
 <ul style="list-style: disc">
-<li> Rename all the files listed above
+
 <li> Edit the '<samp>kataster'number</samp>' field inside the <samp>cave_data</samp> file.
 <li> Edit the '<samp>entranceslug</samp>' field inside each '<samp>entrance</samp>' field in the <samp>cave_data</samp> file.
-<li> Rename the directory (if it exists) inside the areacode directory, e.g. rename <samp>/{{cave.areacode}}/{{cave.unofficial_number}}/</samp> as <samp>/{{cave.areacode}}/{{knum}}/</samp> (if {{knum}} is the correct new kataster number)
+<li> Rename all the files listed above - always do this <b>last</b> otherwise it is hard to automatically discover which edits have not been done.
+</ul>
+
+<h3>Rename the cave description directory</h3>
+<ul style="list-style: disc">
 <li> Edit all the '<samp>href=</samp>' <small>URLS</small> (if they exist) inside all the <samp>cave_data</samp> and <samp>entrance_data</samp> files descriptive text to refer to the new directory
-<li> Find the survex files for this cave, rename them, and edit the <samp>*include</samp> inside the survex files to use the new kataster number
-<li> Add the line "<samp>({{cave.slug|safe}}, {{cave.areacode |safe}}-{{knum}}),</samp>" to the end of the file <var>cave_data/cavealiases.txt</var>
-<li> find and report, but do not change, the '*_station' tags in each entrance_data file and in the fixed points files in the loser repo.
+<li> Rename the directory (if it exists) inside the areacode directory, e.g. rename <samp>/{{cave.areacode}}/{{cave.unofficial_number}}/</samp> as <samp>/{{cave.areacode}}/{{knum}}/</samp> (if {{knum}} is the correct new kataster number). Do this last.
+</ul>
+
+<h3>Rename the survex directory</h3>
+<ul style="list-style: disc">
+<li> Find the survex files for this cave and edit the <samp>*include</samp> inside the survex files to use the new kataster number
+<li> find and edit the '*_station' tags in each entrance_data file and in the fixed points files in the loser repo.
+<li> Rename the survex files
+<li> Run <samp>'cavern caves-{{cave.areacode |safe}}/{{knum}}/{{knum}}.svx'</samp> and check it all works as you hope
+<li> Run <samp>'cavern caves-{{cave.areacode |safe}}/caves.svx' </samp>  and check it all works as you hope
+</ul>
+
+<h3>Set the historic alias forwarder</h3>
+<ul style="list-style: disc">
+<li> Add the line <br /><samp>("{{cave.slug|safe}}", "{{cave.areacode |safe}}-{{knum}}"),</samp></br /> to the end 
+of the file <var><a href="/cave_data/cavealiases.txt_edit">cave_data/cavealiases.txt</a></var> (don't forget the final comma)
 </ul>
 <h3>Finally</h3>
-<p>It is then vital to do a complete databaseReset as troggle has internally indexed all those {{cave.slug}} files, the indexes are now out of date and horrible things will happen when people try to use troggle with any cave that has been altered.
+<ul style="list-style: disc">
+<li><samp>cd loser<br />
+git add *<br />
+git commit -m 'Katastering  {{cave.slug|safe}} to {{cave.areacode |safe}}-{{knum}}'<br />
+git pull<br />
+git push<br />
+cd ../expoweb<br />
+git add *<br />
+git commit -m 'Katastering  {{cave.slug|safe}} to {{cave.areacode |safe}}-{{knum}}'<br />
+git pull<br />
+git push<br />
+</samp>
+<li>It is then vital to do a complete databaseReset as troggle has internally indexed all those {{cave.slug}} files, the indexes are now out of date and horrible things will happen when people try to use troggle with any cave that has been altered:<br />
+<samp>uv run databaseReset reset K{{knum}}</samp>
+<li>Look in the reset import warnings and errors report to see if anything has gone wrong:
+<var><a href="http://expo.survex.com/dataissues">expo.survex.com/dataissues</a></var><br />
+(in fact, look at this before you do any of this, so you can see what chnages.)
+</ul>
+
 {% endblock %}