diff --git a/product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint/predicate.xml b/product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint/predicate.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5b1933768b80535582943ec90c8c2e82ccf2eefe
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint/predicate.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ActionInformation" module="Products.CMFCore.ActionInformation"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>action</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>action_type/object_view</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>category</string> </key>
+            <value> <string>object_view</string> </value>
+        </item>
+        <item>
+            <key> <string>condition</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>icon</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>predicate</string> </value>
+        </item>
+        <item>
+            <key> <string>permissions</string> </key>
+            <value>
+              <tuple>
+                <string>View</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Action Information</string> </value>
+        </item>
+        <item>
+            <key> <string>priority</string> </key>
+            <value> <float>2.0</float> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string>Predicate</string> </value>
+        </item>
+        <item>
+            <key> <string>visible</string> </key>
+            <value> <int>1</int> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="Expression" module="Products.CMFCore.Expression"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>text</string> </key>
+            <value> <string>string:${object_url}/Predicate_view</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint/view.xml b/product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint/view.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a04255899ec689cef6ca824c611138021a199011
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/ActionTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint/view.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ActionInformation" module="Products.CMFCore.ActionInformation"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>action</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>action_type/object_view</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>category</string> </key>
+            <value> <string>object_view</string> </value>
+        </item>
+        <item>
+            <key> <string>condition</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>icon</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>view</string> </value>
+        </item>
+        <item>
+            <key> <string>permissions</string> </key>
+            <value>
+              <tuple>
+                <string>View</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Action Information</string> </value>
+        </item>
+        <item>
+            <key> <string>priority</string> </key>
+            <value> <float>1.0</float> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string>View</string> </value>
+        </item>
+        <item>
+            <key> <string>visible</string> </key>
+            <value> <int>1</int> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="Expression" module="Products.CMFCore.Expression"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>text</string> </key>
+            <value> <string>string:${object_url}/AccountingTransactionBalanceConstraint_view</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/PortalTypeAllowedContentTypeTemplateItem/allowed_content_types.xml b/product/ERP5/bootstrap/erp5_core/PortalTypeAllowedContentTypeTemplateItem/allowed_content_types.xml
index e662477853aa8ddeeca02ba4e98cca4ec75ad180..36f63d2de6e9d29fc7f6fca92615b96ca70acde6 100644
--- a/product/ERP5/bootstrap/erp5_core/PortalTypeAllowedContentTypeTemplateItem/allowed_content_types.xml
+++ b/product/ERP5/bootstrap/erp5_core/PortalTypeAllowedContentTypeTemplateItem/allowed_content_types.xml
@@ -53,6 +53,7 @@
   <item>System Preference</item>
  </portal_type>
  <portal_type id="Property Sheet">
+  <item>Accounting Transaction Balance Constraint</item>
   <item>Acquired Property</item>
   <item>Attribute Equality Constraint</item>
   <item>Category Acquired Membership Arity Constraint</item>
diff --git a/product/ERP5/bootstrap/erp5_core/PortalTypeTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint.xml b/product/ERP5/bootstrap/erp5_core/PortalTypeTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2cad7ba087001735dd99ff87a4033b26f994a24c
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/PortalTypeTemplateItem/portal_types/Accounting%20Transaction%20Balance%20Constraint.xml
@@ -0,0 +1,117 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Base Type" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_property_domain_dict</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>short_title</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
+                    </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>content_icon</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value> <string>An Attribute Equality Constraint checks whether the attribute value is valid</string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Accounting Transaction Balance Constraint</string> </value>
+        </item>
+        <item>
+            <key> <string>init_script</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>permission</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Base Type</string> </value>
+        </item>
+        <item>
+            <key> <string>type_class</string> </key>
+            <value> <string>AccountingTransactionBalanceConstraint</string> </value>
+        </item>
+        <item>
+            <key> <string>type_interface</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>type_mixin</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>type_zodb_property_sheet_list</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="TranslationInformation" module="Products.ERP5Type.TranslationProviderBase"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>domain_name</string> </key>
+            <value> <string>erp5_content</string> </value>
+        </item>
+        <item>
+            <key> <string>property_name</string> </key>
+            <value> <string>short_title</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="3" aka="AAAAAAAAAAM=">
+    <pickle>
+      <global name="TranslationInformation" module="Products.ERP5Type.TranslationProviderBase"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>domain_name</string> </key>
+            <value> <string>erp5_content</string> </value>
+        </item>
+        <item>
+            <key> <string>property_name</string> </key>
+            <value> <string>title</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml b/product/ERP5/bootstrap/erp5_core/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml
index f401d47389c9b746511c14a8aadbf5cc24f5a916..b8f98ea1a029d779104bcc8c2bcc12e2f3993f9f 100644
--- a/product/ERP5/bootstrap/erp5_core/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml
+++ b/product/ERP5/bootstrap/erp5_core/PortalTypeWorkflowChainTemplateItem/workflow_chain_type.xml
@@ -1,4 +1,8 @@
 <workflow_chain>
+ <chain>
+  <type>Accounting Transaction Balance Constraint</type>
+  <workflow>dynamic_class_generation_interaction_workflow</workflow>
+ </chain>
  <chain>
   <type>Acquired Property</type>
   <workflow>dynamic_class_generation_interaction_workflow</workflow>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0f3900d87408cd502adb96a49554e5f831db67e5
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view.xml
@@ -0,0 +1,158 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ERP5Form" module="Products.ERP5Form.Form"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary/>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_objects</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>action</string> </key>
+            <value> <string>Base_edit</string> </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>edit_order</string> </key>
+            <value>
+              <list/>
+            </value>
+        </item>
+        <item>
+            <key> <string>encoding</string> </key>
+            <value> <string>UTF-8</string> </value>
+        </item>
+        <item>
+            <key> <string>enctype</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>group_list</string> </key>
+            <value>
+              <list>
+                <string>left</string>
+                <string>right</string>
+                <string>center</string>
+                <string>bottom</string>
+                <string>hidden</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>groups</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>bottom</string> </key>
+                    <value>
+                      <list/>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>center</string> </key>
+                    <value>
+                      <list>
+                        <string>my_description</string>
+                      </list>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>hidden</string> </key>
+                    <value>
+                      <list/>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>left</string> </key>
+                    <value>
+                      <list>
+                        <string>my_id</string>
+                        <string>my_reference</string>
+                      </list>
+                    </value>
+                </item>
+                <item>
+                    <key> <string>right</string> </key>
+                    <value>
+                      <list>
+                        <string>my_message_transaction_not_balanced_for_source</string>
+                        <string>my_message_transaction_not_balanced_for_destination</string>
+                      </list>
+                    </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>AccountingTransactionBalanceConstraint_view</string> </value>
+        </item>
+        <item>
+            <key> <string>method</string> </key>
+            <value> <string>POST</string> </value>
+        </item>
+        <item>
+            <key> <string>name</string> </key>
+            <value> <string>AccountingTransactionBalanceConstraint_view</string> </value>
+        </item>
+        <item>
+            <key> <string>pt</string> </key>
+            <value> <string>form_view</string> </value>
+        </item>
+        <item>
+            <key> <string>row_length</string> </key>
+            <value> <int>4</int> </value>
+        </item>
+        <item>
+            <key> <string>stored_encoding</string> </key>
+            <value> <string>UTF-8</string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string>Accounting Transaction Balance Constraint</string> </value>
+        </item>
+        <item>
+            <key> <string>unicode_mode</string> </key>
+            <value> <int>0</int> </value>
+        </item>
+        <item>
+            <key> <string>update_action</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>update_action_title</string> </key>
+            <value> <string></string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_description.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_description.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f5a0120b5aee355ed32ddde1ffd45c32ef4d4a63
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_description.xml
@@ -0,0 +1,96 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ProxyField" module="Products.ERP5Form.ProxyField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>width</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_description</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>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string>my_description</string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string>Base_viewFieldLibrary</string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string>Click to edit the target</string> </value>
+                </item>
+                <item>
+                    <key> <string>width</string> </key>
+                    <value> <int>40</int> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_id.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_id.xml
new file mode 100644
index 0000000000000000000000000000000000000000..c6baa37309c09a8074a338f0b883492fe817f887
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_id.xml
@@ -0,0 +1,101 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ProxyField" module="Products.ERP5Form.ProxyField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>display_width</string>
+                <string>title</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_id</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>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>display_width</string> </key>
+                    <value> <int>20</int> </value>
+                </item>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string>my_string_field</string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string>Base_viewFieldLibrary</string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string>Click to edit the target</string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>ID</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_message_transaction_not_balanced_for_destination.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_message_transaction_not_balanced_for_destination.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a4fff8567e0340b856c7afdee9a3b49b9b278ce5
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_message_transaction_not_balanced_for_destination.xml
@@ -0,0 +1,101 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ProxyField" module="Products.ERP5Form.ProxyField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>display_width</string>
+                <string>title</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_message_transaction_not_balanced_for_destination</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>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>display_width</string> </key>
+                    <value> <int>20</int> </value>
+                </item>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string>my_string_field</string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string>Base_viewFieldLibrary</string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string>Click to edit the target</string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>Error message when transaction is not balanced for destination</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_message_transaction_not_balanced_for_source.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_message_transaction_not_balanced_for_source.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1dab462dd067dc27b2df6dd6c1f4736ee7a51291
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_message_transaction_not_balanced_for_source.xml
@@ -0,0 +1,101 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ProxyField" module="Products.ERP5Form.ProxyField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>display_width</string>
+                <string>title</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_message_transaction_not_balanced_for_source</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>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>display_width</string> </key>
+                    <value> <int>20</int> </value>
+                </item>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string>my_string_field</string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string>Base_viewFieldLibrary</string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string>Click to edit the target</string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>Error message when transaction is not balanced for source</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_reference.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_reference.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fcf6a920e912b4202a9694b1742b73865379b97d
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/AccountingTransactionBalanceConstraint_view/my_reference.xml
@@ -0,0 +1,101 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="ProxyField" module="Products.ERP5Form.ProxyField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>delegated_list</string> </key>
+            <value>
+              <list>
+                <string>display_width</string>
+                <string>title</string>
+              </list>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>my_reference</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>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>tales</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string></string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+        <item>
+            <key> <string>values</string> </key>
+            <value>
+              <dictionary>
+                <item>
+                    <key> <string>display_width</string> </key>
+                    <value> <int>20</int> </value>
+                </item>
+                <item>
+                    <key> <string>field_id</string> </key>
+                    <value> <string>my_string_field</string> </value>
+                </item>
+                <item>
+                    <key> <string>form_id</string> </key>
+                    <value> <string>Base_viewFieldLibrary</string> </value>
+                </item>
+                <item>
+                    <key> <string>target</string> </key>
+                    <value> <string>Click to edit the target</string> </value>
+                </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string>Name</string> </value>
+                </item>
+              </dictionary>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/dynamic_class_generation_interaction_workflow/interactions/ChangeProperty_resetDynamicClasses.xml b/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/dynamic_class_generation_interaction_workflow/interactions/ChangeProperty_resetDynamicClasses.xml
index 8664e4a75a60715a61c318fa31e4577b8e09b3d9..93ae716dea1360cbcc69d6e46c74343b12098364 100644
--- a/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/dynamic_class_generation_interaction_workflow/interactions/ChangeProperty_resetDynamicClasses.xml
+++ b/product/ERP5/bootstrap/erp5_core/WorkflowTemplateItem/portal_workflow/dynamic_class_generation_interaction_workflow/interactions/ChangeProperty_resetDynamicClasses.xml
@@ -68,6 +68,7 @@
             <key> <string>portal_type_filter</string> </key>
             <value>
               <list>
+                <string>AccountingTransactionBalanceConstraint</string>
                 <string>Acquired Property</string>
                 <string>Attribute Equality Constraint</string>
                 <string>Base Category</string>
diff --git a/product/ERP5/bootstrap/erp5_core/bt/change_log b/product/ERP5/bootstrap/erp5_core/bt/change_log
index 3d9b5e194621f9902bba080894353666b437e73a..05764573bf277f52ea595a3098ef94fec0f76d83 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/change_log
+++ b/product/ERP5/bootstrap/erp5_core/bt/change_log
@@ -1,3 +1,6 @@
+2010-11-30 arnaud.fontaine
+* Add Accounting Transaction Balance Constraint portal type and its view.
+
 2010-11-29 arnaud.fontaine
 * Add TALES Constraint portal type and its view.
 
diff --git a/product/ERP5/bootstrap/erp5_core/bt/revision b/product/ERP5/bootstrap/erp5_core/bt/revision
index cdc5154a346e51ad2af9d8e098251251b7752bc1..c3e277aa04c0c274024d3c9fb0621ca69b12a1bf 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/revision
+++ b/product/ERP5/bootstrap/erp5_core/bt/revision
@@ -1 +1 @@
-40811
\ No newline at end of file
+40812
\ No newline at end of file
diff --git a/product/ERP5/bootstrap/erp5_core/bt/template_action_path_list b/product/ERP5/bootstrap/erp5_core/bt/template_action_path_list
index 97c8b3e93fcc441f3d9798c89e63f8c713e734b3..3ffbc14bc2bd5366a52994e04411ff3c27a94bca 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/template_action_path_list
+++ b/product/ERP5/bootstrap/erp5_core/bt/template_action_path_list
@@ -1,3 +1,5 @@
+Accounting Transaction Balance Constraint | predicate
+Accounting Transaction Balance Constraint | view
 Acquired Property | view
 Action Information | view
 Alarm Tool | alarm_report
diff --git a/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_allowed_content_type_list b/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_allowed_content_type_list
index b083043071406226992b6e04ef665ba39b76c158..9b70e1537b667e863f52bd69084f9492398b5b47 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_allowed_content_type_list
+++ b/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_allowed_content_type_list
@@ -22,6 +22,7 @@ Memcached Tool | Memcached Plugin
 Preference Tool | Preference
 Preference Tool | System Preference
 Property Sheet Tool | Property Sheet
+Property Sheet | Accounting Transaction Balance Constraint
 Property Sheet | Acquired Property
 Property Sheet | Attribute Equality Constraint
 Property Sheet | Category Acquired Membership Arity Constraint
diff --git a/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_id_list b/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_id_list
index 2a6c473adc9423f7add40d7172c325fd6474fe30..ed1842b77496a26447521c16af73717bb59464aa 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_id_list
+++ b/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_id_list
@@ -1,3 +1,4 @@
+Accounting Transaction Balance Constraint
 Acquired Property
 Action Information
 Alarm
diff --git a/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_workflow_chain_list b/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_workflow_chain_list
index f5319512b24641db2e13e2b21807795944ab36f1..4b317b49dd8c3a4b70391e6a875f077244a55348 100644
--- a/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_workflow_chain_list
+++ b/product/ERP5/bootstrap/erp5_core/bt/template_portal_type_workflow_chain_list
@@ -1,3 +1,4 @@
+Accounting Transaction Balance Constraint | dynamic_class_generation_interaction_workflow
 Acquired Property | dynamic_class_generation_interaction_workflow
 Action Information | base_type_interaction_workflow
 Alarm | edit_workflow