diff --git a/erpnext/accounts/doctype/accounting_period/accounting_period.json b/erpnext/accounts/doctype/accounting_period/accounting_period.json
index ed30b83..57f8e32 100644
--- a/erpnext/accounts/doctype/accounting_period/accounting_period.json
+++ b/erpnext/accounts/doctype/accounting_period/accounting_period.json
@@ -167,39 +167,7 @@
    "set_only_once": 0, 
    "translatable": 0, 
    "unique": 0
-  }, 
-  {
-   "allow_bulk_edit": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "status", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Status", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Open\nClosed", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+  },
   {
    "allow_bulk_edit": 0, 
    "allow_on_submit": 0, 
@@ -273,7 +241,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-04-13 19:14:47.593753", 
+ "modified": "2019-08-01 19:14:47.593753", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Accounting Period", 
diff --git a/erpnext/accounts/doctype/accounting_period/accounting_period.py b/erpnext/accounts/doctype/accounting_period/accounting_period.py
index de45f3a..180460c 100644
--- a/erpnext/accounts/doctype/accounting_period/accounting_period.py
+++ b/erpnext/accounts/doctype/accounting_period/accounting_period.py
@@ -7,6 +7,8 @@
 from frappe.model.document import Document
 from frappe import _
 
+class OverlapError(frappe.ValidationError): pass
+
 class AccountingPeriod(Document):
 	def validate(self):
 		self.validate_overlap()
@@ -34,12 +36,13 @@
 			}, as_dict=True)
 
 		if len(existing_accounting_period) > 0:
-			frappe.throw(_("Accounting Period overlaps with {0}".format(existing_accounting_period[0].get("name"))))
+			frappe.throw(_("Accounting Period overlaps with {0}")
+				.format(existing_accounting_period[0].get("name")), OverlapError)
 
 	def get_doctypes_for_closing(self):
 		docs_for_closing = []
-		#if not self.closed_documents or len(self.closed_documents) == 0:
-		doctypes = ["Sales Invoice", "Purchase Invoice", "Journal Entry", "Payroll Entry", "Bank Reconciliation", "Asset", "Purchase Order", "Sales Order", "Leave Application", "Leave Allocation", "Stock Entry"]
+		doctypes = ["Sales Invoice", "Purchase Invoice", "Journal Entry", "Payroll Entry", "Bank Reconciliation",
+			"Asset", "Purchase Order", "Sales Order", "Leave Application", "Leave Allocation", "Stock Entry"]
 		closed_doctypes = [{"document_type": doctype, "closed": 1} for doctype in doctypes]
 		for closed_doctype in closed_doctypes:
 			docs_for_closing.append(closed_doctype)
@@ -52,4 +55,4 @@
 				self.append('closed_documents', {
 					"document_type": doctype_for_closing.document_type,
 					"closed": doctype_for_closing.closed
-				})
+				})
\ No newline at end of file
diff --git a/erpnext/accounts/doctype/accounting_period/test_accounting_period.py b/erpnext/accounts/doctype/accounting_period/test_accounting_period.py
index 29deefd..022d7a7 100644
--- a/erpnext/accounts/doctype/accounting_period/test_accounting_period.py
+++ b/erpnext/accounts/doctype/accounting_period/test_accounting_period.py
@@ -5,23 +5,42 @@
 
 import frappe
 import unittest
+from frappe.utils import nowdate, add_months
+from erpnext.accounts.general_ledger import ClosedAccountingPeriod
+from erpnext.accounts.doctype.accounting_period.accounting_period import OverlapError
+from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
 
-# class TestAccountingPeriod(unittest.TestCase):
-# 	def test_overlap(self):
-# 		ap1 = create_accounting_period({"start_date":"2018-04-01", "end_date":"2018-06-30", "company":"Wind Power LLC"})
-# 		ap1.save()
-# 		ap2 = create_accounting_period({"start_date":"2018-06-30", "end_date":"2018-07-10", "company":"Wind Power LLC"})
-# 		self.assertRaises(frappe.OverlapError, accounting_period_2.save())
-#
-# 	def tearDown(self):
-# 		pass
-#
-#
-# def create_accounting_period(**args):
-# 	accounting_period = frappe.new_doc("Accounting Period")
-# 	accounting_period.start_date = args.start_date or frappe.utils.datetime.date(2018, 4, 1)
-# 	accounting_period.end_date = args.end_date or frappe.utils.datetime.date(2018, 6, 30)
-# 	accounting_period.company = args.company
-# 	accounting_period.period_name = "_Test_Period_Name_1"
-#
-# 	return accounting_period
+class TestAccountingPeriod(unittest.TestCase):
+    def test_overlap(self):
+        ap1 = create_accounting_period(start_date = "2018-04-01",
+            end_date = "2018-06-30", company = "Wind Power LLC")
+        ap1.save()
+
+        ap2 = create_accounting_period(start_date = "2018-06-30",
+            end_date = "2018-07-10", company = "Wind Power LLC", period_name = "Test Accounting Period 1")
+        self.assertRaises(OverlapError, ap2.save)
+
+    def test_accounting_period(self):
+        ap1 = create_accounting_period(period_name = "Test Accounting Period 2")
+        ap1.save()
+
+        doc = create_sales_invoice(do_not_submit=1, cost_center = "_Test Company - _TC", warehouse = "Stores - _TC")
+        self.assertRaises(ClosedAccountingPeriod, doc.submit)
+
+    def tearDown(self):
+        for d in frappe.get_all("Accounting Period"):
+            frappe.delete_doc("Accounting Period", d.name)
+
+def create_accounting_period(**args):
+    args = frappe._dict(args)
+
+    accounting_period = frappe.new_doc("Accounting Period")
+    accounting_period.start_date = args.start_date or nowdate()
+    accounting_period.end_date = args.end_date or add_months(nowdate(), 1)
+    accounting_period.company = args.company or "_Test Company"
+    accounting_period.period_name =args.period_name or  "_Test_Period_Name_1"
+    accounting_period.append("closed_documents", {
+        "document_type": 'Sales Invoice', "closed": 1
+    })
+
+    return accounting_period
\ No newline at end of file
diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index be1448d..5c9e93d 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -10,11 +10,13 @@
 from erpnext.accounts.doctype.accounting_dimension.accounting_dimension import get_accounting_dimensions
 
 
+class ClosedAccountingPeriod(frappe.ValidationError): pass
 class StockAccountInvalidTransaction(frappe.ValidationError): pass
 
 def make_gl_entries(gl_map, cancel=False, adv_adj=False, merge_entries=True, update_outstanding='Yes', from_repost=False):
 	if gl_map:
 		if not cancel:
+			validate_accounting_period(gl_map)
 			gl_map = process_gl_map(gl_map, merge_entries)
 			if gl_map and len(gl_map) > 1:
 				save_entries(gl_map, adv_adj, update_outstanding, from_repost)
@@ -23,6 +25,27 @@
 		else:
 			delete_gl_entries(gl_map, adv_adj=adv_adj, update_outstanding=update_outstanding)
 
+def validate_accounting_period(gl_map):
+	accounting_periods = frappe.db.sql(""" SELECT
+			ap.name as name
+		FROM
+			`tabAccounting Period` ap, `tabClosed Document` cd
+		WHERE
+			ap.name = cd.parent
+			AND ap.company = %(company)s
+			AND cd.closed = 1
+			AND cd.document_type = %(voucher_type)s
+			AND %(date)s between ap.start_date and ap.end_date
+			""", {
+				'date': gl_map[0].posting_date,
+				'company': gl_map[0].company,
+				'voucher_type': gl_map[0].voucher_type
+			}, as_dict=1)
+
+	if accounting_periods:
+		frappe.throw(_("You can't create accounting entries in the closed accounting period {0}")
+			.format(accounting_periods[0].name), ClosedAccountingPeriod)
+
 def process_gl_map(gl_map, merge_entries=True):
 	if merge_entries:
 		gl_map = merge_similar_entries(gl_map)