diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
index f09e8db..930375d 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
@@ -5,7 +5,7 @@
 from __future__ import unicode_literals
 import frappe
 from frappe import _, scrub
-from frappe.utils import flt
+from frappe.utils import flt, nowdate
 from frappe.model.document import Document
 
 
@@ -69,11 +69,18 @@
 			if not row.qty:
 				row.qty = 1.0
 
-			# set party type if not available
-			if not row.party_type:
-				row.party_type = "Customer" if self.invoice_type == "Sales" else "Supplier"
+			# always mandatory fields for the invoices
+			if not row.temporary_opening_account:
+				row.temporary_opening_account = get_temporary_opening_account(self.company)
+			row.party_type = "Customer" if self.invoice_type == "Sales" else "Supplier"
+			if not row.item_name:
+				row.item_name = _("Opening Invoice Item")
+			if not row.posting_date:
+				row.posting_date = nowdate()
+			if not row.due_date:
+				row.due_date = nowdate()
 
-			for d in ("Party", "Posting Date", "Outstanding Amount", "Due Date", "Temporary Opening Account"):
+			for d in ("Party", "Outstanding Amount", "Temporary Opening Account"):
 				if not row.get(scrub(d)):
 					frappe.throw(mandatory_error_msg.format(
 						idx=row.idx,
diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool_item/opening_invoice_creation_tool_item.json b/erpnext/accounts/doctype/opening_invoice_creation_tool_item/opening_invoice_creation_tool_item.json
index 3f8ce16..83dcffc 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool_item/opening_invoice_creation_tool_item.json
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool_item/opening_invoice_creation_tool_item.json
@@ -161,7 +161,7 @@
    "read_only": 0, 
    "remember_last_selected_value": 0, 
    "report_hide": 0, 
-   "reqd": 1, 
+   "reqd": 0, 
    "search_index": 0, 
    "set_only_once": 0, 
    "unique": 0
@@ -192,7 +192,7 @@
    "read_only": 0, 
    "remember_last_selected_value": 0, 
    "report_hide": 0, 
-   "reqd": 1, 
+   "reqd": 0, 
    "search_index": 0, 
    "set_only_once": 0, 
    "unique": 0
@@ -284,7 +284,7 @@
    "read_only": 0, 
    "remember_last_selected_value": 0, 
    "report_hide": 0, 
-   "reqd": 0, 
+   "reqd": 1, 
    "search_index": 0, 
    "set_only_once": 0, 
    "unique": 0
@@ -360,7 +360,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2017-12-11 17:49:14.541176", 
+ "modified": "2017-12-19 05:07:01.549918", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Opening Invoice Creation Tool Item",