diff --git a/src/nalodeni/forms.py b/src/nalodeni/forms.py
index 24ef6c1..8dcd097 100644
--- a/src/nalodeni/forms.py
+++ b/src/nalodeni/forms.py
@@ -61,7 +61,7 @@ class AppUserSsoForm(ModelForm):
     class Meta:
         model = models.AppUser
         fields = ['city', 'postcode', 'district', 'kind',
-            'email', 'email_contact', 'email_contact_active', 'dc_stamp']
+            'email', 'email_contact', 'email_contact_active', 'dc_stamp' ]
 
     def clean_postcode(self):
         data = self.cleaned_data['postcode']
diff --git a/src/nalodeni/migrations/0058_appuser_dc_undo_stamp.py b/src/nalodeni/migrations/0058_appuser_dc_undo_stamp.py
new file mode 100644
index 0000000..6ec2726
--- /dev/null
+++ b/src/nalodeni/migrations/0058_appuser_dc_undo_stamp.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.0.3 on 2019-11-13 16:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('nalodeni', '0057_auto_20191113_1114'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='appuser',
+            name='dc_undo_stamp',
+            field=models.DateTimeField(blank=True, default=None, null=True, verbose_name='Datum odvolání souhlasu se zprac.os.údajů'),
+        ),
+    ]
diff --git a/src/nalodeni/models.py b/src/nalodeni/models.py
index d45963a..dc4d440 100644
--- a/src/nalodeni/models.py
+++ b/src/nalodeni/models.py
@@ -185,7 +185,11 @@ class AppUser(AbstractUser, DataAudited):
     ts_for_ldap_sync = DateTimeField(_('Timestamp pro LDAP synchronizaci'),
         default=datetime.datetime.now, blank=True, null=True)
 
+    # datum udeleni a odvolani souhlasu se zpracovanim osobnich udaju
+    # logika: je-li dc_stamp=Null, souhlas neni udelen. 
+    # pole dc_undo_stamp ma pouze informacni vyznam, kdy k odvolani souhlasu doslo
     dc_stamp = DateTimeField(_('Data consent timestamp'), default=None, blank=True, null=True)
+    dc_undo_stamp = DateTimeField(_('Datum odvolání souhlasu se zprac.os.údajů'), default=None, blank=True, null=True)
 
     # dotaznik pro uzivatele
     userform = ForeignKey('UserForm', on_delete=CASCADE, verbose_name=_('dotazník'),
diff --git a/src/nalodeni/templates/people/list.html b/src/nalodeni/templates/people/list.html
index 53454b9..b87da2e 100644
--- a/src/nalodeni/templates/people/list.html
+++ b/src/nalodeni/templates/people/list.html
@@ -69,7 +69,12 @@ $(document).ready(function(){
                   </td>
               </tr>
               <tr>
-                  <td colspan=12>{{p.admin_note}}</td>
+                  <td colspan=12>
+                    {% if p.dc_undo_stamp is not None %}
+                      <i class="red">Souhlas se zpracováním osobních údajů odvolán {{p.dc_undo_stamp}}</i><br>
+                    {% endif %}
+                    {{p.admin_note}}
+                  </td>
               </tr>
               {% endfor %}
           </table>
diff --git a/src/nalodeni/templates/person/detail.html b/src/nalodeni/templates/person/detail.html
index 4ea54bc..f0b26e2 100644
--- a/src/nalodeni/templates/person/detail.html
+++ b/src/nalodeni/templates/person/detail.html
@@ -40,6 +40,7 @@
           <tr><td colspan="2">&nbsp;</td></tr>
           <tr><th>Datum registrace</th><td>{{obj.createdStamp}}</td></tr>
           <tr><th>Datum souhlasu os. údajů</th><td>{{obj.dc_stamp|default_if_none:'-'}}</td></tr>
+          <tr><th>Datum odvolání souhlasu oú</th><td class="red">{{obj.dc_undo_stamp|default_if_none:''}}</td></tr>
           <tr><th>Administrátorská poznámka</th><td>{{obj.admin_note}}</td></tr>
       </table>
     </section>
diff --git a/src/nalodeni/templates/pirati_cz.html b/src/nalodeni/templates/pirati_cz.html
index e8cf18e..80820dd 100644
--- a/src/nalodeni/templates/pirati_cz.html
+++ b/src/nalodeni/templates/pirati_cz.html
@@ -375,7 +375,7 @@
           </li>
           <li class="c-contact-bar__item u-stacked-medium-down">
             <div class="c-contact-bar__section"> Aplikaci spravuje </div>
-            <div class="c-contact-bar__description"> Martin Rejman </div>
+            <div class="c-contact-bar__description"> Technický odbor Pirátů </div>
           </li>
         </ul>
       </div>
diff --git a/src/nalodeni/templates/profil.html b/src/nalodeni/templates/profil.html
index 53227ff..0927d71 100644
--- a/src/nalodeni/templates/profil.html
+++ b/src/nalodeni/templates/profil.html
@@ -59,7 +59,16 @@
                   požadovaných funkcí a&nbsp;služeb. Detaily způsobu zpracování osobních údajů
                   jsou k&nbsp;dispozici <a href="https://www.pirati.cz/o-nas/ochrana-osobnich-udaju/" target="_blank">online</a>.
                   </div>
-              <div class="medium-12 large-6 columns"><b>Datum souhlasu se zpracováním os. údajů: </b> <br/>{{form.dc_stamp}}</div>
+              <div class="medium-12 large-6 columns">
+                <b>Datum souhlasu se zpracováním os. údajů: </b> <br/>
+                {{form.dc_stamp}}
+                {% if request.user.dc_stamp is not None %}
+                  <a href="/ja-pirat/profil/?undoConsent" class="button">Odvolat souhlas se zpracováním osobních údajů</a>
+                {% endif %}
+                {% if request.user.dc_undo_stamp is not None %}
+                  (souhlas odvolán {{request.user.dc_undo_stamp}})
+                {% endif %}
+              </div>
               {%comment%}
               <div class="medium-6 large-6 columns">{{form.interestedIn.label}}<br/>{{form.interestedIn.errors}}{{form.interestedIn}}</div>
               {%endcomment%}
diff --git a/src/nalodeni/views.py b/src/nalodeni/views.py
index 8a69aa5..9890dd5 100644
--- a/src/nalodeni/views.py
+++ b/src/nalodeni/views.py
@@ -488,18 +488,26 @@ def email_vizitka(request):
 @login_required(login_url="/prihlaseni")
 @transaction.atomic
 def profil(request):
-    if request.user.ssoUid:
-       _form = forms.AppUserSsoForm
-    else:
-       _form = forms.AppUserForm
+
+    _form = forms.AppUserSsoForm if request.user.ssoUid else forms.AppUserForm
+
+    def save_and_redirect(page):
+        request.user.save()
+        return HttpResponseRedirect(page)
 
     # TODO :: check and enforce DB transaction to prevent race-condition attacks
     if request.method == "GET":
+    
+        # udeleni souhlasu se zpracovanim osobnich udaju
         if request.GET.get('doConsent', None) is not None:
             request.user.dc_stamp = datetime.now()
-            request.user.save()
+            return save_and_redirect('/ja-pirat/profil/')
 
-            return HttpResponseRedirect('/ja-pirat/profil/')
+        # odvolani souhlasu se zpracovanim osobnich udaju
+        if request.GET.get('undoConsent', None) is not None:
+            request.user.dc_stamp = None
+            request.user.dc_undo_stamp = datetime.now()
+            return save_and_redirect('/ja-pirat/profil/')
 
         emailToken = request.GET.get('t', None)
         if emailToken:
@@ -535,7 +543,6 @@ def profil(request):
             request.user.save()
             return redirect('nalodeni:profil')
 
-            
         # create edit form
         form = _form(instance=request.user)
 
@@ -550,7 +557,6 @@ def profil(request):
                     form.instance.email_contact_verified = False
                 form.save()
 
-
                 if (form.instance.email_contact != None
                         and not form.instance.email_contact_verified):
                     try: