diff --git a/bt5/erp5_project/ActionTemplateItem/portal_types/Task/jump_to_predecessor_task.xml b/bt5/erp5_project/ActionTemplateItem/portal_types/Task/jump_to_predecessor_task.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b60287d14aba1ae0364ea559f04e74c0f78daac8
--- /dev/null
+++ b/bt5/erp5_project/ActionTemplateItem/portal_types/Task/jump_to_predecessor_task.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0"?>
+<ZopeData>
+ <record id="1" aka="AAAAAAAAAAE=">
+ <pickle>
+ <tuple>
+ <global name="ActionInformation" module="Products.CMFCore.ActionInformation"/>
+ <tuple/>
+ </tuple>
+ </pickle>
+ <pickle>
+ <dictionary>
+ <item>
+ <key> <string>__ac_local_roles__</string> </key>
+ <value>
+ <none/>
+ </value>
+ </item>
+ <item>
+ <key> <string>action</string> </key>
+ <value>
+ <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+ </value>
+ </item>
+ <item>
+ <key> <string>category</string> </key>
+ <value> <string>object_jump</string> </value>
+ </item>
+ <item>
+ <key> <string>condition</string> </key>
+ <value> <string></string> </value>
+ </item>
+ <item>
+ <key> <string>description</string> </key>
+ <value> <string></string> </value>
+ </item>
+ <item>
+ <key> <string>icon</string> </key>
+ <value> <string></string> </value>
+ </item>
+ <item>
+ <key> <string>id</string> </key>
+ <value> <string>jump_to_predecessor_task</string> </value>
+ </item>
+ <item>
+ <key> <string>permissions</string> </key>
+ <value>
+ <tuple>
+ <string>View</string>
+ </tuple>
+ </value>
+ </item>
+ <item>
+ <key> <string>priority</string> </key>
+ <value> <float>11.0</float> </value>
+ </item>
+ <item>
+ <key> <string>title</string> </key>
+ <value> <string>Predecessor Tasks</string> </value>
+ </item>
+ <item>
+ <key> <string>visible</string> </key>
+ <value> <int>1</int> </value>
+ </item>
+ </dictionary>
+ </pickle>
+ </record>
+ <record id="2" aka="AAAAAAAAAAI=">
+ <pickle>
+ <tuple>
+ <global name="Expression" module="Products.CMFCore.Expression"/>
+ <tuple/>
+ </tuple>
+ </pickle>
+ <pickle>
+ <dictionary>
+ <item>
+ <key> <string>text</string> </key>
+ <value> <string encoding="cdata"><![CDATA[
+
+string:${object_url}/Base_jumpToRelatedObject?base_category=predecessor&portal_type=Task&related:int=0
+
+]]></string> </value>
+ </item>
+ </dictionary>
+ </pickle>
+ </record>
+</ZopeData>
diff --git a/bt5/erp5_project/ActionTemplateItem/portal_types/Task/jump_to_successor_task.xml b/bt5/erp5_project/ActionTemplateItem/portal_types/Task/jump_to_successor_task.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f5b19289d8cf6905d072fbf41a35d58c0963705e
--- /dev/null
+++ b/bt5/erp5_project/ActionTemplateItem/portal_types/Task/jump_to_successor_task.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0"?>
+<ZopeData>
+ <record id="1" aka="AAAAAAAAAAE=">
+ <pickle>
+ <tuple>
+ <global name="ActionInformation" module="Products.CMFCore.ActionInformation"/>
+ <tuple/>
+ </tuple>
+ </pickle>
+ <pickle>
+ <dictionary>
+ <item>
+ <key> <string>__ac_local_roles__</string> </key>
+ <value>
+ <none/>
+ </value>
+ </item>
+ <item>
+ <key> <string>action</string> </key>
+ <value>
+ <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+ </value>
+ </item>
+ <item>
+ <key> <string>category</string> </key>
+ <value> <string>object_jump</string> </value>
+ </item>
+ <item>
+ <key> <string>condition</string> </key>
+ <value> <string></string> </value>
+ </item>
+ <item>
+ <key> <string>description</string> </key>
+ <value> <string></string> </value>
+ </item>
+ <item>
+ <key> <string>icon</string> </key>
+ <value> <string></string> </value>
+ </item>
+ <item>
+ <key> <string>id</string> </key>
+ <value> <string>jump_to_successor_task</string> </value>
+ </item>
+ <item>
+ <key> <string>permissions</string> </key>
+ <value>
+ <tuple>
+ <string>View</string>
+ </tuple>
+ </value>
+ </item>
+ <item>
+ <key> <string>priority</string> </key>
+ <value> <float>12.0</float> </value>
+ </item>
+ <item>
+ <key> <string>title</string> </key>
+ <value> <string>Successor Tasks</string> </value>
+ </item>
+ <item>
+ <key> <string>visible</string> </key>
+ <value> <int>1</int> </value>
+ </item>
+ </dictionary>
+ </pickle>
+ </record>
+ <record id="2" aka="AAAAAAAAAAI=">
+ <pickle>
+ <tuple>
+ <global name="Expression" module="Products.CMFCore.Expression"/>
+ <tuple/>
+ </tuple>
+ </pickle>
+ <pickle>
+ <dictionary>
+ <item>
+ <key> <string>text</string> </key>
+ <value> <string encoding="cdata"><![CDATA[
+
+string:${object_url}/Base_jumpToRelatedObject?base_category=predecessor&portal_type=Task
+
+]]></string> </value>
+ </item>
+ </dictionary>
+ </pickle>
+ </record>
+</ZopeData>
diff --git a/bt5/erp5_project/bt/revision b/bt5/erp5_project/bt/revision
index 2b808f36cfa85e246f7c84822abab53c178d3ec2..495ae252f0ccba7cb30f39a2737131a2734406b6 100644
--- a/bt5/erp5_project/bt/revision
+++ b/bt5/erp5_project/bt/revision
@@ -1 +1 @@
-463
\ No newline at end of file
+464
\ No newline at end of file
diff --git a/bt5/erp5_project/bt/template_action_path_list b/bt5/erp5_project/bt/template_action_path_list
index 10da66916c4ea9d8ea20eb36e0f51ea9ce5f664c..d3e96e43862f00aef2ca9c699ce1e64968c3ef76 100644
--- a/bt5/erp5_project/bt/template_action_path_list
+++ b/bt5/erp5_project/bt/template_action_path_list
@@ -72,7 +72,9 @@ Task Report | view_discount
Task | apply_trade_condition
Task | constraint
Task | duplicate_task
+Task | jump_to_predecessor_task
Task | jump_to_related_task_report
+Task | jump_to_successor_task
Task | payment_condition
Task | profile_view
Task | view