diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
index 4a22de9..3bbf082 100755
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
@@ -2472,7 +2472,7 @@
    "width": "50%"
   }, 
   {
-   "allow_on_submit": 0, 
+   "allow_on_submit": 1, 
    "bold": 0, 
    "collapsible": 0, 
    "depends_on": "eval:doc.is_recurring==1", 
@@ -2490,7 +2490,7 @@
    "permlevel": 0, 
    "print_hide": 1, 
    "print_hide_if_no_value": 0, 
-   "read_only": 1, 
+   "read_only": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
@@ -2528,6 +2528,32 @@
    "bold": 0, 
    "collapsible": 0, 
    "depends_on": "eval:doc.is_recurring==1", 
+   "description": "Check to send it via Email, uncheck to generate a draft document only.", 
+   "fieldname": "notify_by_email", 
+   "fieldtype": "Check", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "in_filter": 0, 
+   "in_list_view": 0, 
+   "label": "Notify by Email", 
+   "length": 0, 
+   "no_copy": 1, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  },
+  {
+   "allow_on_submit": 1, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "depends_on": "eval:doc.notify_by_email==1", 
    "description": "Enter email id separated by commas, invoice will be mailed automatically on particular date", 
    "fieldname": "notification_email_address", 
    "fieldtype": "Code", 
@@ -2589,7 +2615,7 @@
  "istable": 0, 
  "max_attachments": 0, 
  "menu_index": 0, 
- "modified": "2016-02-22 09:32:04.196291", 
+ "modified": "2016-02-24 16:03:07.975604", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Purchase Invoice", 
@@ -2743,4 +2769,4 @@
  "sort_order": "DESC", 
  "timeline_field": "supplier", 
  "title_field": "title"
-}
\ No newline at end of file
+}