diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle.xml
index 68181545655e55f546827a0c56903163b6f1d42e..59ccda9b603457e644ae71fb0bf0106e65e1a7ac 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle.xml
@@ -83,6 +83,7 @@
                         <string>my_preferred_html_style_contextual_help</string>
                         <string>my_preferred_html_style_translator_mode</string>
                         <string>my_preferred_html_style_access_tab</string>
+                        <string>my_preferred_html_style_acknowledgeable_message</string>
                         <string>my_preferred_html_style_documentation_base_url</string>
                         <string>my_preferred_category_child_item_list_method_id</string>
                         <string>my_preferred_listbox_view_mode_line_count</string>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle/my_preferred_html_style_acknowledgeable_message.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle/my_preferred_html_style_acknowledgeable_message.xml
new file mode 100644
index 0000000000000000000000000000000000000000..97e45954007f623375c2f26bdc08875539b903da
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Preference_viewHtmlStyle/my_preferred_html_style_acknowledgeable_message.xml
@@ -0,0 +1,189 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="CheckBoxField" module="Products.Formulator.StandardFields"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_preferred_html_style_acknowledgeable_message</string> </value>
+        </item>
+        <item>
+            <key> <string>message_values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>external_validator_failed</string> </key>
+                    <value> <string>The input failed the external validator.</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>overrides</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>alternate_name</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>external_validator</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>extra</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>alternate_name</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>external_validator</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>extra</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>alternate_name</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
+                <item>
+                    <key> <string>description</string> </key>
+                    <value> <string>Indicate if we display useful link for developer in interface or not</string> </value>
+                </item>
+                <item>
+                    <key> <string>editable</string> </key>
+                    <value> <int>1</int> </value>
+                </item>
+                <item>
+                    <key> <string>enabled</string> </key>
+                    <value> <int>1</int> </value>
+                </item>
+                <item>
+                    <key> <string>external_validator</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>extra</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value> <int>0</int> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>Acknowledgeable Messages</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <tuple>
+        <global name="TALESMethod" module="Products.Formulator.TALESField"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_text</string> </key>
+            <value> <string>python: here.getPortalObject().portal_membership.checkPermission("Manage portal", here)</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index f0236b52f3df620687ec506a68bcab84e44265dc..71db39d571be6a3fde37ec2a7fc6571a0bb36b2d 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-1215
\ No newline at end of file
+1216
\ No newline at end of file