diff --git a/setup/doctype/customer_group/customer_group.py b/setup/doctype/customer_group/customer_group.py
index eded5bf..0940e1f 100644
--- a/setup/doctype/customer_group/customer_group.py
+++ b/setup/doctype/customer_group/customer_group.py
@@ -24,6 +24,7 @@
 	def on_update(self):
 		self.validate_name_with_customer()
 		super(DocType, self).on_update()
+		self.validate_one_root()
 		
 	def validate_name_with_customer(self):
 		if webnotes.conn.exists("Customer", self.doc.name):
diff --git a/setup/doctype/customer_group/customer_group.txt b/setup/doctype/customer_group/customer_group.txt
index 6a13500..4f9acc6 100644
--- a/setup/doctype/customer_group/customer_group.txt
+++ b/setup/doctype/customer_group/customer_group.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-01-10 16:34:23", 
   "docstatus": 0, 
-  "modified": "2013-07-05 14:34:20", 
+  "modified": "2013-08-05 18:12:57", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -69,7 +69,7 @@
   "oldfieldname": "parent_customer_group", 
   "oldfieldtype": "Link", 
   "options": "Customer Group", 
-  "reqd": 1
+  "reqd": 0
  }, 
  {
   "description": "Only leaf nodes are allowed in transaction", 
diff --git a/setup/doctype/item_group/item_group.py b/setup/doctype/item_group/item_group.py
index 132b829..81f6903 100644
--- a/setup/doctype/item_group/item_group.py
+++ b/setup/doctype/item_group/item_group.py
@@ -20,7 +20,6 @@
 		
 		from website.helpers.product import invalidate_cache_for
 		
-		
 		if self.doc.show_in_website:
 			from webnotes.webutils import update_page_name
 			# webpage updates
@@ -38,6 +37,8 @@
 			
 			webnotes.conn.set(self.doc, "page_name", None)
 		
+		self.validate_one_root()
+		
 	def validate_name_with_item(self):
 		if webnotes.conn.exists("Item", self.doc.name):
 			webnotes.msgprint("An item exists with same name (%s), please change the \
diff --git a/setup/doctype/item_group/item_group.txt b/setup/doctype/item_group/item_group.txt
index 6e7edf9..f573110 100644
--- a/setup/doctype/item_group/item_group.txt
+++ b/setup/doctype/item_group/item_group.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-03-28 10:35:29", 
   "docstatus": 0, 
-  "modified": "2013-07-23 12:00:14", 
+  "modified": "2013-08-05 17:21:14", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -75,7 +75,7 @@
   "oldfieldname": "parent_item_group", 
   "oldfieldtype": "Link", 
   "options": "Item Group", 
-  "reqd": 1, 
+  "reqd": 0, 
   "search_index": 0
  }, 
  {
diff --git a/setup/doctype/sales_person/sales_person.py b/setup/doctype/sales_person/sales_person.py
index 355027b..6161706 100644
--- a/setup/doctype/sales_person/sales_person.py
+++ b/setup/doctype/sales_person/sales_person.py
@@ -21,6 +21,10 @@
 				webnotes.msgprint("Either target qty or target amount is mandatory.")
 				raise Exception
 	
+	def on_update(self):
+		super(DocType, self).on_update()
+		self.validate_one_root()
+	
 	def get_email_id(self):
 		profile = webnotes.conn.get_value("Employee", self.doc.employee, "user_id")
 		if not profile:
diff --git a/setup/doctype/sales_person/sales_person.txt b/setup/doctype/sales_person/sales_person.txt
index 56c6397..77ba6af 100644
--- a/setup/doctype/sales_person/sales_person.txt
+++ b/setup/doctype/sales_person/sales_person.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-01-10 16:34:24", 
   "docstatus": 0, 
-  "modified": "2013-07-10 12:51:58", 
+  "modified": "2013-08-05 18:11:22", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -69,7 +69,7 @@
   "oldfieldname": "parent_sales_person", 
   "oldfieldtype": "Link", 
   "options": "Sales Person", 
-  "reqd": 1
+  "reqd": 0
  }, 
  {
   "doctype": "DocField", 
diff --git a/setup/doctype/territory/territory.py b/setup/doctype/territory/territory.py
index 742b1b4..13498fc 100644
--- a/setup/doctype/territory/territory.py
+++ b/setup/doctype/territory/territory.py
@@ -20,4 +20,7 @@
 			if not flt(d.target_qty) and not flt(d.target_amount):
 				msgprint("Either target qty or target amount is mandatory.")
 				raise Exception
-				
\ No newline at end of file
+
+	def on_update(self):
+		super(DocType, self).on_update()
+		self.validate_one_root()
diff --git a/setup/doctype/territory/territory.txt b/setup/doctype/territory/territory.txt
index bba7e3e..b647e7b 100644
--- a/setup/doctype/territory/territory.txt
+++ b/setup/doctype/territory/territory.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-01-10 16:34:24", 
   "docstatus": 0, 
-  "modified": "2013-07-05 14:58:15", 
+  "modified": "2013-08-05 18:12:29", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -71,7 +71,7 @@
   "oldfieldname": "parent_territory", 
   "oldfieldtype": "Link", 
   "options": "Territory", 
-  "reqd": 1
+  "reqd": 0
  }, 
  {
   "description": "Only leaf nodes are allowed in transaction",