Start date is *NOT* required on Open Sale Order.

master/bt5/vifib_erp5/PropertySheetTemplateItem/portal_property_sheets/VifibOpenSaleOrderConstraint/start_date_existence_constraint.xml

-<?xml version="1.0"?>
-<ZopeData>
-  <record id="1" aka="AAAAAAAAAAE=">
-    <pickle>
-      <global name="Property Existence Constraint" module="erp5.portal_type"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>_identity_criterion</string> </key>
-            <value>
-              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
-            </value>
-        </item>
-        <item>
-            <key> <string>_local_properties</string> </key>
-            <value>
-              <tuple>
-                <dictionary>
-                  <item>
-                      <key> <string>id</string> </key>
-                      <value> <string>message_property_not_set</string> </value>
-                  </item>
-                  <item>
-                      <key> <string>type</string> </key>
-                      <value> <string>string</string> </value>
-                  </item>
-                </dictionary>
-              </tuple>
-            </value>
-        </item>
-        <item>
-            <key> <string>_range_criterion</string> </key>
-            <value>
-              <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
-            </value>
-        </item>
-        <item>
-            <key> <string>constraint_property</string> </key>
-            <value>
-              <tuple>
-                <string>start_date</string>
-              </tuple>
-            </value>
-        </item>
-        <item>
-            <key> <string>description</string> </key>
-            <value>
-              <none/>
-            </value>
-        </item>
-        <item>
-            <key> <string>id</string> </key>
-            <value> <string>start_date_existence_constraint</string> </value>
-        </item>
-        <item>
-            <key> <string>message_no_such_property</string> </key>
-            <value> <string>Property start_date must be defined</string> </value>
-        </item>
-        <item>
-            <key> <string>message_property_not_set</string> </key>
-            <value> <string>Property start_date must be defined</string> </value>
-        </item>
-        <item>
-            <key> <string>portal_type</string> </key>
-            <value> <string>Property Existence Constraint</string> </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-  <record id="2" aka="AAAAAAAAAAI=">
-    <pickle>
-      <global name="PersistentMapping" module="Persistence.mapping"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>data</string> </key>
-            <value>
-              <dictionary/>
-            </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-  <record id="3" aka="AAAAAAAAAAM=">
-    <pickle>
-      <global name="PersistentMapping" module="Persistence.mapping"/>
-    </pickle>
-    <pickle>
-      <dictionary>
-        <item>
-            <key> <string>data</string> </key>
-            <value>
-              <dictionary/>
-            </value>
-        </item>
-      </dictionary>
-    </pickle>
-  </record>
-</ZopeData>

master/bt5/vifib_erp5/bt/revision

-386
+387
\ No newline at end of file