diff --git a/erpnext/__init__.py b/erpnext/__init__.py
index 0cc95bd7ded..5f87d7b5538 100644
--- a/erpnext/__init__.py
+++ b/erpnext/__init__.py
@@ -56,9 +56,9 @@ def set_perpetual_inventory(enable=1, company=None):
 	company.enable_perpetual_inventory = enable
 	company.save()
 
-def encode_company_abbr(name, company):
+def encode_company_abbr(name, company=None, abbr=None):
 	'''Returns name encoded with company abbreviation'''
-	company_abbr = frappe.get_cached_value('Company',  company,  "abbr")
+	company_abbr = abbr or frappe.get_cached_value('Company',  company,  "abbr")
 	parts = name.rsplit(" - ", 1)
 
 	if parts[-1].lower() != company_abbr.lower():
diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py b/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py
index c795e83c56b..2da7425f9de 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool/test_opening_invoice_creation_tool.py
@@ -132,7 +132,7 @@ def make_company():
 	company.company_name = "_Test Opening Invoice Company"
 	company.abbr = "_TOIC"
 	company.default_currency = "INR"
-	company.country = "India"
+	company.country = "Pakistan"
 	company.insert()
 	return company
 
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 4ce8cb95b18..07c78631358 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
@@ -103,10 +103,18 @@
   {
    "fieldname": "dimension_col_break",
    "fieldtype": "Column Break"
+  },
+  {
+   "description": "Reference number of the invoice from the previous system",
+   "fieldname": "invoice_number",
+   "fieldtype": "Data",
+   "in_list_view": 1,
+   "label": "Invoice Number"
   }
  ],
  "istable": 1,
- "modified": "2019-07-25 15:00:00.460695",
+ "links": [],
+ "modified": "2021-12-17 19:25:06.053187",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Opening Invoice Creation Tool Item",
@@ -116,4 +124,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "track_changes": 1
-}
\ No newline at end of file
+}
diff --git a/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py b/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py
index 01799d58041..758e3e93379 100644
--- a/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py
+++ b/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py
@@ -370,7 +370,7 @@ def get_account_heads(root_type, companies, filters):
 	accounts = get_accounts(root_type, filters)
 
 	if not accounts:
-		return None, None
+		return None, None, None
 
 	accounts = update_parent_account_names(accounts)
 
diff --git a/erpnext/accounts/report/deferred_revenue_and_expense/__init__.py b/erpnext/accounts/report/deferred_revenue_and_expense/__init__.py
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.js b/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.js
new file mode 100644
index 00000000000..0056b9e8f56
--- /dev/null
+++ b/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.js
@@ -0,0 +1,114 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+function get_filters() {
+	let filters = [
+		{
+			"fieldname":"company",
+			"label": __("Company"),
+			"fieldtype": "Link",
+			"options": "Company",
+			"default": frappe.defaults.get_user_default("Company"),
+			"reqd": 1
+		},
+		{
+			"fieldname":"filter_based_on",
+			"label": __("Filter Based On"),
+			"fieldtype": "Select",
+			"options": ["Fiscal Year", "Date Range"],
+			"default": ["Fiscal Year"],
+			"reqd": 1,
+			on_change: function() {
+				let filter_based_on = frappe.query_report.get_filter_value('filter_based_on');
+				frappe.query_report.toggle_filter_display('from_fiscal_year', filter_based_on === 'Date Range');
+				frappe.query_report.toggle_filter_display('to_fiscal_year', filter_based_on === 'Date Range');
+				frappe.query_report.toggle_filter_display('period_start_date', filter_based_on === 'Fiscal Year');
+				frappe.query_report.toggle_filter_display('period_end_date', filter_based_on === 'Fiscal Year');
+
+				frappe.query_report.refresh();
+			}
+		},
+		{
+			"fieldname":"period_start_date",
+			"label": __("Start Date"),
+			"fieldtype": "Date",
+			"hidden": 1,
+			"reqd": 1
+		},
+		{
+			"fieldname":"period_end_date",
+			"label": __("End Date"),
+			"fieldtype": "Date",
+			"hidden": 1,
+			"reqd": 1
+		},
+		{
+			"fieldname":"from_fiscal_year",
+			"label": __("Start Year"),
+			"fieldtype": "Link",
+			"options": "Fiscal Year",
+			"default": frappe.defaults.get_user_default("fiscal_year"),
+			"reqd": 1
+		},
+		{
+			"fieldname":"to_fiscal_year",
+			"label": __("End Year"),
+			"fieldtype": "Link",
+			"options": "Fiscal Year",
+			"default": frappe.defaults.get_user_default("fiscal_year"),
+			"reqd": 1
+		},
+		{
+			"fieldname": "periodicity",
+			"label": __("Periodicity"),
+			"fieldtype": "Select",
+			"options": [
+				{ "value": "Monthly", "label": __("Monthly") },
+				{ "value": "Quarterly", "label": __("Quarterly") },
+				{ "value": "Half-Yearly", "label": __("Half-Yearly") },
+				{ "value": "Yearly", "label": __("Yearly") }
+			],
+			"default": "Monthly",
+			"reqd": 1
+		},
+		{
+			"fieldname": "type",
+			"label": __("Invoice Type"),
+			"fieldtype": "Select",
+			"options": [
+				{ "value": "Revenue", "label": __("Revenue") },
+				{ "value": "Expense", "label": __("Expense") }
+			],
+			"default": "Revenue",
+			"reqd": 1
+		},
+		{
+			"fieldname" : "with_upcoming_postings",
+			"label": __("Show with upcoming revenue/expense"),
+			"fieldtype": "Check",
+			"default": 1
+		}
+	]
+
+	return filters;
+}
+
+frappe.query_reports["Deferred Revenue and Expense"] = {
+	"filters": get_filters(),
+	"formatter": function(value, row, column, data, default_formatter){
+		return default_formatter(value, row, column, data);
+	},
+	onload: function(report){
+		let fiscal_year = frappe.defaults.get_user_default("fiscal_year");
+
+		frappe.model.with_doc("Fiscal Year", fiscal_year, function(r) {
+			var fy = frappe.model.get_doc("Fiscal Year", fiscal_year);
+			frappe.query_report.set_filter_value({
+				period_start_date: fy.year_start_date,
+				period_end_date: fy.year_end_date
+			});
+		});
+	}
+};
+
diff --git a/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.json b/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.json
new file mode 100644
index 00000000000..c7dfb3b7142
--- /dev/null
+++ b/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.json
@@ -0,0 +1,32 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2021-12-10 19:27:14.654220",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "modified": "2021-12-10 19:27:14.654220",
+ "modified_by": "Administrator",
+ "module": "Accounts",
+ "name": "Deferred Revenue and Expense",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "GL Entry",
+ "report_name": "Deferred Revenue and Expense",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "Accounts User"
+  },
+  {
+   "role": "Accounts Manager"
+  },
+  {
+   "role": "Auditor"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.py b/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.py
new file mode 100644
index 00000000000..a4842c1844f
--- /dev/null
+++ b/erpnext/accounts/report/deferred_revenue_and_expense/deferred_revenue_and_expense.py
@@ -0,0 +1,440 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# License: MIT. See LICENSE
+
+import frappe
+from frappe import _, qb
+from frappe.query_builder import Column, functions
+from frappe.utils import add_days, date_diff, flt, get_first_day, get_last_day, rounded
+
+from erpnext.accounts.report.financial_statements import get_period_list
+
+
+class Deferred_Item(object):
+	"""
+	Helper class for processing items with deferred revenue/expense
+	"""
+
+	def __init__(self, item, inv, gle_entries):
+		self.name = item
+		self.parent = inv.name
+		self.item_name = gle_entries[0].item_name
+		self.service_start_date = gle_entries[0].service_start_date
+		self.service_end_date = gle_entries[0].service_end_date
+		self.base_net_amount = gle_entries[0].base_net_amount
+		self.filters = inv.filters
+		self.period_list = inv.period_list
+
+		if gle_entries[0].deferred_revenue_account:
+			self.type = "Deferred Sale Item"
+			self.deferred_account = gle_entries[0].deferred_revenue_account
+		elif gle_entries[0].deferred_expense_account:
+			self.type = "Deferred Purchase Item"
+			self.deferred_account = gle_entries[0].deferred_expense_account
+
+		self.gle_entries = []
+		# holds period wise total for item
+		self.period_total = []
+		self.last_entry_date = self.service_start_date
+
+		if gle_entries:
+			self.gle_entries = gle_entries
+			for x in self.gle_entries:
+				if self.get_amount(x):
+					self.last_entry_date = x.gle_posting_date
+
+	def report_data(self):
+		"""
+		Generate report data for output
+		"""
+		ret_data = frappe._dict({"name": self.item_name})
+		for period in self.period_total:
+			ret_data[period.key] = period.total
+			ret_data.indent = 1
+		return ret_data
+
+	def get_amount(self, entry):
+		"""
+		For a given GL/Journal posting, get balance based on item type
+		"""
+		if self.type == "Deferred Sale Item":
+			return entry.debit - entry.credit
+		elif self.type == "Deferred Purchase Item":
+			return -(entry.credit - entry.debit)
+		return 0
+
+	def get_item_total(self):
+		"""
+		Helper method - calculate booked amount. Includes simulated postings as well
+		"""
+		total = 0
+		for gle_posting in self.gle_entries:
+			total += self.get_amount(gle_posting)
+
+		return total
+
+	def calculate_amount(self, start_date, end_date):
+		"""
+		start_date, end_date - datetime.datetime.date
+		return - estimated amount to post for given period
+		Calculated based on already booked amount and item service period
+		"""
+		total_months = (
+			(self.service_end_date.year - self.service_start_date.year) * 12
+			+ (self.service_end_date.month - self.service_start_date.month)
+			+ 1
+		)
+
+		prorate = date_diff(self.service_end_date, self.service_start_date) / date_diff(
+			get_last_day(self.service_end_date), get_first_day(self.service_start_date)
+		)
+
+		actual_months = rounded(total_months * prorate, 1)
+
+		already_booked_amount = self.get_item_total()
+		base_amount = self.base_net_amount / actual_months
+
+		if base_amount + already_booked_amount > self.base_net_amount:
+			base_amount = self.base_net_amount - already_booked_amount
+
+		if not (get_first_day(start_date) == start_date and get_last_day(end_date) == end_date):
+			partial_month = flt(date_diff(end_date, start_date)) / flt(
+				date_diff(get_last_day(end_date), get_first_day(start_date))
+			)
+			base_amount *= rounded(partial_month, 1)
+
+		return base_amount
+
+	def make_dummy_gle(self, name, date, amount):
+		"""
+		return - frappe._dict() of a dummy gle entry
+		"""
+		entry = frappe._dict(
+			{"name": name, "gle_posting_date": date, "debit": 0, "credit": 0, "posted": "not"}
+		)
+		if self.type == "Deferred Sale Item":
+			entry.debit = amount
+		elif self.type == "Deferred Purchase Item":
+			entry.credit = amount
+		return entry
+
+	def simulate_future_posting(self):
+		"""
+		simulate future posting by creating dummy gl entries. starts from the last posting date.
+		"""
+		if add_days(self.last_entry_date, 1) < self.period_list[-1].to_date:
+			self.estimate_for_period_list = get_period_list(
+				self.filters.from_fiscal_year,
+				self.filters.to_fiscal_year,
+				add_days(self.last_entry_date, 1),
+				self.period_list[-1].to_date,
+				"Date Range",
+				"Monthly",
+				company=self.filters.company,
+			)
+			for period in self.estimate_for_period_list:
+				amount = self.calculate_amount(period.from_date, period.to_date)
+				gle = self.make_dummy_gle(period.key, period.to_date, amount)
+				self.gle_entries.append(gle)
+
+	def calculate_item_revenue_expense_for_period(self):
+		"""
+		calculate item postings for each period and update period_total list
+		"""
+		for period in self.period_list:
+			period_sum = 0
+			actual = 0
+			for posting in self.gle_entries:
+				# if period.from_date <= posting.posting_date <= period.to_date:
+				if period.from_date <= posting.gle_posting_date <= period.to_date:
+					period_sum += self.get_amount(posting)
+					if posting.posted == "posted":
+						actual += self.get_amount(posting)
+
+			self.period_total.append(
+				frappe._dict({"key": period.key, "total": period_sum, "actual": actual})
+			)
+		return self.period_total
+
+
+class Deferred_Invoice(object):
+	def __init__(self, invoice, items, filters, period_list):
+		"""
+		Helper class for processing invoices with deferred revenue/expense items
+		invoice - string : invoice name
+		items - list : frappe._dict() with item details. Refer Deferred_Item for required fields
+		"""
+		self.name = invoice
+		self.posting_date = items[0].posting_date
+		self.filters = filters
+		self.period_list = period_list
+		# holds period wise total for invoice
+		self.period_total = []
+
+		if items[0].deferred_revenue_account:
+			self.type = "Sales"
+		elif items[0].deferred_expense_account:
+			self.type = "Purchase"
+
+		self.items = []
+		# for each uniq items
+		self.uniq_items = set([x.item for x in items])
+		for item in self.uniq_items:
+			self.items.append(Deferred_Item(item, self, [x for x in items if x.item == item]))
+
+	def calculate_invoice_revenue_expense_for_period(self):
+		"""
+		calculate deferred revenue/expense for all items in invoice
+		"""
+		# initialize period_total list for invoice
+		for period in self.period_list:
+			self.period_total.append(frappe._dict({"key": period.key, "total": 0, "actual": 0}))
+
+		for item in self.items:
+			item_total = item.calculate_item_revenue_expense_for_period()
+			# update invoice total
+			for idx, period in enumerate(self.period_list, 0):
+				self.period_total[idx].total += item_total[idx].total
+				self.period_total[idx].actual += item_total[idx].actual
+		return self.period_total
+
+	def estimate_future(self):
+		"""
+		create dummy GL entries for upcoming months for all items in invoice
+		"""
+		[item.simulate_future_posting() for item in self.items]
+
+	def report_data(self):
+		"""
+		generate report data for invoice, includes invoice total
+		"""
+		ret_data = []
+		inv_total = frappe._dict({"name": self.name})
+		for x in self.period_total:
+			inv_total[x.key] = x.total
+			inv_total.indent = 0
+		ret_data.append(inv_total)
+		list(map(lambda item: ret_data.append(item.report_data()), self.items))
+		return ret_data
+
+
+class Deferred_Revenue_and_Expense_Report(object):
+	def __init__(self, filters=None):
+		"""
+		Initialize deferred revenue/expense report with user provided filters or system defaults, if none is provided
+		"""
+
+		# If no filters are provided, get user defaults
+		if not filters:
+			fiscal_year = frappe.get_doc("Fiscal Year", frappe.defaults.get_user_default("fiscal_year"))
+			self.filters = frappe._dict(
+				{
+					"company": frappe.defaults.get_user_default("Company"),
+					"filter_based_on": "Fiscal Year",
+					"period_start_date": fiscal_year.year_start_date,
+					"period_end_date": fiscal_year.year_end_date,
+					"from_fiscal_year": fiscal_year.year,
+					"to_fiscal_year": fiscal_year.year,
+					"periodicity": "Monthly",
+					"type": "Revenue",
+					"with_upcoming_postings": True,
+				}
+			)
+		else:
+			self.filters = frappe._dict(filters)
+
+		self.period_list = None
+		self.deferred_invoices = []
+		# holds period wise total for report
+		self.period_total = []
+
+	def get_period_list(self):
+		"""
+		Figure out selected period based on filters
+		"""
+		self.period_list = get_period_list(
+			self.filters.from_fiscal_year,
+			self.filters.to_fiscal_year,
+			self.filters.period_start_date,
+			self.filters.period_end_date,
+			self.filters.filter_based_on,
+			self.filters.periodicity,
+			company=self.filters.company,
+		)
+
+	def get_invoices(self):
+		"""
+		Get all sales and purchase invoices which has deferred revenue/expense items
+		"""
+		gle = qb.DocType("GL Entry")
+		# column doesn't have an alias option
+		posted = Column("posted")
+
+		if self.filters.type == "Revenue":
+			inv = qb.DocType("Sales Invoice")
+			inv_item = qb.DocType("Sales Invoice Item")
+			deferred_flag_field = inv_item["enable_deferred_revenue"]
+			deferred_account_field = inv_item["deferred_revenue_account"]
+
+		elif self.filters.type == "Expense":
+			inv = qb.DocType("Purchase Invoice")
+			inv_item = qb.DocType("Purchase Invoice Item")
+			deferred_flag_field = inv_item["enable_deferred_expense"]
+			deferred_account_field = inv_item["deferred_expense_account"]
+
+		query = (
+			qb.from_(inv_item)
+			.join(inv)
+			.on(inv.name == inv_item.parent)
+			.join(gle)
+			.on((inv_item.name == gle.voucher_detail_no) & (deferred_account_field == gle.account))
+			.select(
+				inv.name.as_("doc"),
+				inv.posting_date,
+				inv_item.name.as_("item"),
+				inv_item.item_name,
+				inv_item.service_start_date,
+				inv_item.service_end_date,
+				inv_item.base_net_amount,
+				deferred_account_field,
+				gle.posting_date.as_("gle_posting_date"),
+				functions.Sum(gle.debit).as_("debit"),
+				functions.Sum(gle.credit).as_("credit"),
+				posted,
+			)
+			.where(
+				(inv.docstatus == 1)
+				& (deferred_flag_field == 1)
+				& (
+					(
+						(self.period_list[0].from_date >= inv_item.service_start_date)
+						& (inv_item.service_end_date >= self.period_list[0].from_date)
+					)
+					| (
+						(inv_item.service_start_date >= self.period_list[0].from_date)
+						& (inv_item.service_start_date <= self.period_list[-1].to_date)
+					)
+				)
+			)
+			.groupby(inv.name, inv_item.name, gle.posting_date)
+			.orderby(gle.posting_date)
+		)
+		self.invoices = query.run(as_dict=True)
+
+		uniq_invoice = set([x.doc for x in self.invoices])
+		for inv in uniq_invoice:
+			self.deferred_invoices.append(
+				Deferred_Invoice(
+					inv, [x for x in self.invoices if x.doc == inv], self.filters, self.period_list
+				)
+			)
+
+	def estimate_future(self):
+		"""
+		For all Invoices estimate upcoming postings
+		"""
+		for x in self.deferred_invoices:
+			x.estimate_future()
+
+	def calculate_revenue_and_expense(self):
+		"""
+		calculate the deferred revenue/expense for all invoices
+		"""
+		# initialize period_total list for report
+		for period in self.period_list:
+			self.period_total.append(frappe._dict({"key": period.key, "total": 0, "actual": 0}))
+
+		for inv in self.deferred_invoices:
+			inv_total = inv.calculate_invoice_revenue_expense_for_period()
+			# calculate total for whole report
+			for idx, period in enumerate(self.period_list, 0):
+				self.period_total[idx].total += inv_total[idx].total
+				self.period_total[idx].actual += inv_total[idx].actual
+
+	def get_columns(self):
+		columns = []
+		columns.append({"label": _("Name"), "fieldname": "name", "fieldtype": "Data", "read_only": 1})
+		for period in self.period_list:
+			columns.append(
+				{
+					"label": _(period.label),
+					"fieldname": period.key,
+					"fieldtype": "Currency",
+					"read_only": 1,
+				})
+		return columns
+
+	def generate_report_data(self):
+		"""
+		Generate report data for all invoices. Adds total rows for revenue and expense
+		"""
+		ret = []
+
+		for inv in self.deferred_invoices:
+			ret += inv.report_data()
+
+		# empty row for padding
+		ret += [{}]
+
+		# add total row
+		if ret is not []:
+			if self.filters.type == "Revenue":
+				total_row = frappe._dict({"name": "Total Deferred Income"})
+			elif self.filters.type == "Expense":
+				total_row = frappe._dict({"name": "Total Deferred Expense"})
+
+			for idx, period in enumerate(self.period_list, 0):
+				total_row[period.key] = self.period_total[idx].total
+			ret.append(total_row)
+
+		return ret
+
+	def prepare_chart(self):
+		chart = {
+			"data": {
+				"labels": [period.label for period in self.period_list],
+				"datasets": [
+					{
+						"name": "Actual Posting",
+						"chartType": "bar",
+						"values": [x.actual for x in self.period_total],
+					}
+				],
+			},
+			"type": "axis-mixed",
+			"height": 500,
+			"axisOptions": {"xAxisMode": "Tick", "xIsSeries": True},
+			"barOptions": {"stacked": False, "spaceRatio": 0.5},
+		}
+
+		if self.filters.with_upcoming_postings:
+			chart["data"]["datasets"].append({
+				"name": "Expected",
+				"chartType": "line",
+				"values": [x.total for x in self.period_total]
+			})
+
+		return chart
+
+	def run(self, *args, **kwargs):
+		"""
+		Run report and generate data
+		"""
+		self.deferred_invoices.clear()
+		self.get_period_list()
+		self.get_invoices()
+
+		if self.filters.with_upcoming_postings:
+			self.estimate_future()
+		self.calculate_revenue_and_expense()
+
+
+def execute(filters=None):
+	report = Deferred_Revenue_and_Expense_Report(filters=filters)
+	report.run()
+
+	columns = report.get_columns()
+	data = report.generate_report_data()
+	message = []
+	chart = report.prepare_chart()
+
+	return columns, data, message, chart
diff --git a/erpnext/accounts/report/deferred_revenue_and_expense/test_deferred_revenue_and_expense.py b/erpnext/accounts/report/deferred_revenue_and_expense/test_deferred_revenue_and_expense.py
new file mode 100644
index 00000000000..1de6fb68241
--- /dev/null
+++ b/erpnext/accounts/report/deferred_revenue_and_expense/test_deferred_revenue_and_expense.py
@@ -0,0 +1,253 @@
+import unittest
+
+import frappe
+from frappe import qb
+from frappe.utils import nowdate
+
+from erpnext.accounts.doctype.account.test_account import create_account
+from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
+from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
+from erpnext.accounts.report.deferred_revenue_and_expense.deferred_revenue_and_expense import (
+	Deferred_Revenue_and_Expense_Report,
+)
+from erpnext.buying.doctype.supplier.test_supplier import create_supplier
+from erpnext.stock.doctype.item.test_item import create_item
+
+
+class TestDeferredRevenueAndExpense(unittest.TestCase):
+	@classmethod
+	def setUpClass(self):
+		clear_old_entries()
+		create_company()
+
+	def test_deferred_revenue(self):
+		# created deferred expense accounts, if not found
+		deferred_revenue_account = create_account(
+			account_name="Deferred Revenue",
+			parent_account="Current Liabilities - _CD",
+			company="_Test Company DR",
+		)
+
+		acc_settings = frappe.get_doc("Accounts Settings", "Accounts Settings")
+		acc_settings.book_deferred_entries_based_on = "Months"
+		acc_settings.save()
+
+		customer = frappe.new_doc("Customer")
+		customer.customer_name = "_Test Customer DR"
+		customer.type = "Individual"
+		customer.insert()
+
+		item = create_item(
+			"_Test Internet Subscription",
+			is_stock_item=0,
+			warehouse="All Warehouses - _CD",
+			company="_Test Company DR",
+		)
+		item.enable_deferred_revenue = 1
+		item.deferred_revenue_account = deferred_revenue_account
+		item.no_of_months = 3
+		item.save()
+
+		si = create_sales_invoice(
+			item=item.name,
+			company="_Test Company DR",
+			customer="_Test Customer DR",
+			debit_to="Debtors - _CD",
+			posting_date="2021-05-01",
+			parent_cost_center="Main - _CD",
+			cost_center="Main - _CD",
+			do_not_submit=True,
+			rate=300,
+			price_list_rate=300,
+		)
+		si.items[0].enable_deferred_revenue = 1
+		si.items[0].service_start_date = "2021-05-01"
+		si.items[0].service_end_date = "2021-08-01"
+		si.items[0].deferred_revenue_account = deferred_revenue_account
+		si.items[0].income_account = "Sales - _CD"
+		si.save()
+		si.submit()
+
+		pda = frappe.get_doc(
+			dict(
+				doctype="Process Deferred Accounting",
+				posting_date=nowdate(),
+				start_date="2021-05-01",
+				end_date="2021-08-01",
+				type="Income",
+				company="_Test Company DR",
+			)
+		)
+		pda.insert()
+		pda.submit()
+
+		# execute report
+		fiscal_year = frappe.get_doc("Fiscal Year", frappe.defaults.get_user_default("fiscal_year"))
+		self.filters = frappe._dict(
+			{
+				"company": frappe.defaults.get_user_default("Company"),
+				"filter_based_on": "Date Range",
+				"period_start_date": "2021-05-01",
+				"period_end_date": "2021-08-01",
+				"from_fiscal_year": fiscal_year.year,
+				"to_fiscal_year": fiscal_year.year,
+				"periodicity": "Monthly",
+				"type": "Revenue",
+				"with_upcoming_postings": False,
+			}
+		)
+
+		report = Deferred_Revenue_and_Expense_Report(filters=self.filters)
+		report.run()
+		expected = [
+			{"key": "may_2021", "total": 100.0, "actual": 100.0},
+			{"key": "jun_2021", "total": 100.0, "actual": 100.0},
+			{"key": "jul_2021", "total": 100.0, "actual": 100.0},
+			{"key": "aug_2021", "total": 0, "actual": 0},
+		]
+		self.assertEqual(report.period_total, expected)
+
+	def test_deferred_expense(self):
+		# created deferred expense accounts, if not found
+		deferred_expense_account = create_account(
+			account_name="Deferred Expense",
+			parent_account="Current Assets - _CD",
+			company="_Test Company DR",
+		)
+
+		acc_settings = frappe.get_doc("Accounts Settings", "Accounts Settings")
+		acc_settings.book_deferred_entries_based_on = "Months"
+		acc_settings.save()
+
+		supplier = create_supplier(
+			supplier_name="_Test Furniture Supplier", supplier_group="Local", supplier_type="Company"
+		)
+		supplier.save()
+
+		item = create_item(
+			"_Test Office Desk",
+			is_stock_item=0,
+			warehouse="All Warehouses - _CD",
+			company="_Test Company DR",
+		)
+		item.enable_deferred_expense = 1
+		item.deferred_expense_account = deferred_expense_account
+		item.no_of_months_exp = 3
+		item.save()
+
+		pi = make_purchase_invoice(
+			item=item.name,
+			company="_Test Company DR",
+			supplier="_Test Furniture Supplier",
+			is_return=False,
+			update_stock=False,
+			posting_date=frappe.utils.datetime.date(2021, 5, 1),
+			parent_cost_center="Main - _CD",
+			cost_center="Main - _CD",
+			do_not_save=True,
+			rate=300,
+			price_list_rate=300,
+			warehouse="All Warehouses - _CD",
+			qty=1,
+		)
+		pi.set_posting_time = True
+		pi.items[0].enable_deferred_expense = 1
+		pi.items[0].service_start_date = "2021-05-01"
+		pi.items[0].service_end_date = "2021-08-01"
+		pi.items[0].deferred_expense_account = deferred_expense_account
+		pi.items[0].expense_account = "Office Maintenance Expenses - _CD"
+		pi.save()
+		pi.submit()
+
+		pda = frappe.get_doc(
+			dict(
+				doctype="Process Deferred Accounting",
+				posting_date=nowdate(),
+				start_date="2021-05-01",
+				end_date="2021-08-01",
+				type="Expense",
+				company="_Test Company DR",
+			)
+		)
+		pda.insert()
+		pda.submit()
+
+		# execute report
+		fiscal_year = frappe.get_doc("Fiscal Year", frappe.defaults.get_user_default("fiscal_year"))
+		self.filters = frappe._dict(
+			{
+				"company": frappe.defaults.get_user_default("Company"),
+				"filter_based_on": "Date Range",
+				"period_start_date": "2021-05-01",
+				"period_end_date": "2021-08-01",
+				"from_fiscal_year": fiscal_year.year,
+				"to_fiscal_year": fiscal_year.year,
+				"periodicity": "Monthly",
+				"type": "Expense",
+				"with_upcoming_postings": False,
+			}
+		)
+
+		report = Deferred_Revenue_and_Expense_Report(filters=self.filters)
+		report.run()
+		expected = [
+			{"key": "may_2021", "total": -100.0, "actual": -100.0},
+			{"key": "jun_2021", "total": -100.0, "actual": -100.0},
+			{"key": "jul_2021", "total": -100.0, "actual": -100.0},
+			{"key": "aug_2021", "total": 0, "actual": 0},
+		]
+		self.assertEqual(report.period_total, expected)
+
+
+def create_company():
+	company = frappe.db.exists("Company", "_Test Company DR")
+	if not company:
+		company = frappe.new_doc("Company")
+		company.company_name = "_Test Company DR"
+		company.default_currency = "INR"
+		company.chart_of_accounts = "Standard"
+		company.insert()
+
+
+def clear_old_entries():
+	item = qb.DocType("Item")
+	account = qb.DocType("Account")
+	customer = qb.DocType("Customer")
+	supplier = qb.DocType("Supplier")
+	sinv = qb.DocType("Sales Invoice")
+	sinv_item = qb.DocType("Sales Invoice Item")
+	pinv = qb.DocType("Purchase Invoice")
+	pinv_item = qb.DocType("Purchase Invoice Item")
+
+	qb.from_(account).delete().where(
+		(account.account_name == "Deferred Revenue")
+		| (account.account_name == "Deferred Expense") & (account.company == "_Test Company DR")
+	).run()
+	qb.from_(item).delete().where(
+		(item.item_code == "_Test Internet Subscription") | (item.item_code == "_Test Office Rent")
+	).run()
+	qb.from_(customer).delete().where(customer.customer_name == "_Test Customer DR").run()
+	qb.from_(supplier).delete().where(supplier.supplier_name == "_Test Furniture Supplier").run()
+
+	# delete existing invoices with deferred items
+	deferred_invoices = (
+		qb.from_(sinv)
+		.join(sinv_item)
+		.on(sinv.name == sinv_item.parent)
+		.select(sinv.name)
+		.where(sinv_item.enable_deferred_revenue == 1)
+		.run()
+	)
+	if deferred_invoices:
+		qb.from_(sinv).delete().where(sinv.name.isin(deferred_invoices)).run()
+
+	deferred_invoices = (
+		qb.from_(pinv)
+		.join(pinv_item)
+		.on(pinv.name == pinv_item.parent)
+		.select(pinv.name)
+		.where(pinv_item.enable_deferred_expense == 1)
+		.run()
+	)
+	if deferred_invoices:
+		qb.from_(pinv).delete().where(pinv.name.isin(deferred_invoices)).run()
diff --git a/erpnext/hr/doctype/appointment_letter/appointment_letter.py b/erpnext/hr/doctype/appointment_letter/appointment_letter.py
index 0120188d31c..71327bf1b01 100644
--- a/erpnext/hr/doctype/appointment_letter/appointment_letter.py
+++ b/erpnext/hr/doctype/appointment_letter/appointment_letter.py
@@ -12,14 +12,15 @@ class AppointmentLetter(Document):
 @frappe.whitelist()
 def get_appointment_letter_details(template):
 	body = []
-	intro= frappe.get_list("Appointment Letter Template",
-		fields = ['introduction', 'closing_notes'],
-		filters={'name': template
-	})[0]
-	content = frappe.get_list("Appointment Letter content",
-		fields = ['title', 'description'],
-		filters={'parent': template
-	})
+	intro = frappe.get_list('Appointment Letter Template',
+		fields=['introduction', 'closing_notes'],
+		filters={'name': template}
+	)[0]
+	content = frappe.get_all('Appointment Letter content',
+		fields=['title', 'description'],
+		filters={'parent': template},
+		order_by='idx'
+	)
 	body.append(intro)
 	body.append({'description': content})
 	return body
diff --git a/erpnext/manufacturing/doctype/work_order/test_work_order.py b/erpnext/manufacturing/doctype/work_order/test_work_order.py
index 3949fe34852..aa19b2f1003 100644
--- a/erpnext/manufacturing/doctype/work_order/test_work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/test_work_order.py
@@ -196,8 +196,6 @@ class TestWorkOrder(ERPNextTestCase):
 		# no change in reserved / projected
 		self.assertEqual(cint(bin1_on_end_production.reserved_qty_for_production),
 			cint(bin1_on_start_production.reserved_qty_for_production))
-		self.assertEqual(cint(bin1_on_end_production.projected_qty),
-			cint(bin1_on_end_production.projected_qty))
 
 	def test_backflush_qty_for_overpduction_manufacture(self):
 		cancel_stock_entry = []
diff --git a/erpnext/public/js/utils.js b/erpnext/public/js/utils.js
index 7840c58d891..ee74f351d17 100755
--- a/erpnext/public/js/utils.js
+++ b/erpnext/public/js/utils.js
@@ -430,12 +430,9 @@ erpnext.utils.select_alternate_items = function(opts) {
 					qty = row.qty;
 				}
 				row[item_field] = d.alternate_item;
-				frm.script_manager.trigger(item_field, row.doctype, row.name)
-					.then(() => {
-						frappe.model.set_value(row.doctype, row.name, 'qty', qty);
-						frappe.model.set_value(row.doctype, row.name,
-							opts.original_item_field, d.item_code);
-					});
+				frappe.model.set_value(row.doctype, row.name, 'qty', qty);
+				frappe.model.set_value(row.doctype, row.name, opts.original_item_field, d.item_code);
+				frm.trigger(item_field, row.doctype, row.name);
 			});
 
 			refresh_field(opts.child_docname);
diff --git a/erpnext/setup/doctype/company/test_records.json b/erpnext/setup/doctype/company/test_records.json
index 9e55702ddc9..89be607d047 100644
--- a/erpnext/setup/doctype/company/test_records.json
+++ b/erpnext/setup/doctype/company/test_records.json
@@ -36,7 +36,7 @@
 		"abbr": "_TC3",
 		"company_name": "_Test Company 3",
 		"is_group": 1,
-		"country": "India",
+		"country": "Pakistan",
 		"default_currency": "INR",
 		"doctype": "Company",
 		"domain": "Manufacturing",
@@ -49,7 +49,7 @@
 		"company_name": "_Test Company 4",
 		"parent_company": "_Test Company 3",
 		"is_group": 1,
-		"country": "India",
+		"country": "Pakistan",
 		"default_currency": "INR",
 		"doctype": "Company",
 		"domain": "Manufacturing",
@@ -61,7 +61,7 @@
 		"abbr": "_TC5",
 		"company_name": "_Test Company 5",
 		"parent_company": "_Test Company 4",
-		"country": "India",
+		"country": "Pakistan",
 		"default_currency": "INR",
 		"doctype": "Company",
 		"domain": "Manufacturing",
diff --git a/erpnext/stock/doctype/bin/bin.py b/erpnext/stock/doctype/bin/bin.py
index 27e83caf99b..11ff359b483 100644
--- a/erpnext/stock/doctype/bin/bin.py
+++ b/erpnext/stock/doctype/bin/bin.py
@@ -103,8 +103,8 @@ def update_stock(bin_name, args, allow_negative_stock=False, via_landed_cost_vou
 	"""WARNING: This function is deprecated. Inline this function instead of using it."""
 	from erpnext.stock.stock_ledger import repost_current_voucher
 
-	update_qty(bin_name, args)
 	repost_current_voucher(args, allow_negative_stock, via_landed_cost_voucher)
+	update_qty(bin_name, args)
 
 def get_bin_details(bin_name):
 	return frappe.db.get_value('Bin', bin_name, ['actual_qty', 'ordered_qty',
@@ -112,13 +112,23 @@ def get_bin_details(bin_name):
 	'reserved_qty_for_sub_contract'], as_dict=1)
 
 def update_qty(bin_name, args):
-	bin_details = get_bin_details(bin_name)
+	from erpnext.controllers.stock_controller import future_sle_exists
 
-	# update the stock values (for current quantities)
-	if args.get("voucher_type")=="Stock Reconciliation":
-		actual_qty = args.get('qty_after_transaction')
-	else:
-		actual_qty = bin_details.actual_qty + flt(args.get("actual_qty"))
+	bin_details = get_bin_details(bin_name)
+	# actual qty is already updated by processing current voucher
+	actual_qty = bin_details.actual_qty
+
+	# actual qty is not up to date in case of backdated transaction
+	if future_sle_exists(args):
+		actual_qty = frappe.db.get_value("Stock Ledger Entry",
+				filters={
+					"item_code": args.get("item_code"),
+					"warehouse": args.get("warehouse"),
+					"is_cancelled": 0
+				},
+				fieldname="qty_after_transaction",
+				order_by="posting_date desc, posting_time desc, creation desc",
+			) or 0.0
 
 	ordered_qty = flt(bin_details.ordered_qty) + flt(args.get("ordered_qty"))
 	reserved_qty = flt(bin_details.reserved_qty) + flt(args.get("reserved_qty"))
diff --git a/erpnext/stock/doctype/repost_item_valuation/repost_item_valuation.py b/erpnext/stock/doctype/repost_item_valuation/repost_item_valuation.py
index a61501a9cd5..5ad8f443203 100644
--- a/erpnext/stock/doctype/repost_item_valuation/repost_item_valuation.py
+++ b/erpnext/stock/doctype/repost_item_valuation/repost_item_valuation.py
@@ -46,7 +46,7 @@ class RepostItemValuation(Document):
 			self.db_set('status', self.status)
 
 	def on_submit(self):
-		if not frappe.flags.in_test or self.flags.dont_run_in_test:
+		if not frappe.flags.in_test or self.flags.dont_run_in_test or frappe.flags.dont_execute_stock_reposts:
 			return
 
 		frappe.enqueue(repost, timeout=1800, queue='long',
@@ -97,7 +97,8 @@ def repost(doc):
 			return
 
 		doc.set_status('In Progress')
-		frappe.db.commit()
+		if not frappe.flags.in_test:
+			frappe.db.commit()
 
 		repost_sl_entries(doc)
 		repost_gl_entries(doc)
diff --git a/erpnext/stock/doctype/shipment/test_shipment.py b/erpnext/stock/doctype/shipment/test_shipment.py
index 705b2651f65..afe821845ae 100644
--- a/erpnext/stock/doctype/shipment/test_shipment.py
+++ b/erpnext/stock/doctype/shipment/test_shipment.py
@@ -39,9 +39,9 @@ def create_test_delivery_note():
 			"description": 'Test delivery note for shipment',
 			"qty": 5,
 			"uom": 'Nos',
-			"warehouse": 'Stores - SC',
+			"warehouse": 'Stores - _TC',
 			"rate": item.standard_rate,
-			"cost_center": 'Main - SC'
+			"cost_center": 'Main - _TC'
 		}
 	)
 	delivery_note.insert()
@@ -127,13 +127,7 @@ def get_shipment_company_address(company_name):
 		return create_shipment_address(address_title, company_name, 80331)
 
 def get_shipment_company():
-	company_name = 'Shipment Company'
-	abbr = 'SC'
-	companies = frappe.get_all("Company", fields=["name"], filters = {"company_name": company_name})
-	if len(companies):
-		return companies[0]
-	else:
-		return create_shipment_company(company_name, abbr)
+	return frappe.get_doc("Company", "_Test Company")
 
 def get_shipment_item(company_name):
 	item_name = 'Testing Shipment item'
@@ -182,17 +176,6 @@ def create_customer_contact(fname, lname):
 	customer.insert()
 	return customer
 
-
-def create_shipment_company(company_name, abbr):
-	company = frappe.new_doc("Company")
-	company.company_name = company_name
-	company.abbr = abbr
-	company.default_currency = 'EUR'
-	company.country = 'Germany'
-	company.enable_perpetual_inventory = 0
-	company.insert()
-	return company
-
 def create_shipment_customer(customer_name):
 	customer = frappe.new_doc("Customer")
 	customer.customer_name = customer_name
@@ -211,12 +194,12 @@ def create_material_receipt(item, company):
 	stock.posting_date = posting_date.strftime("%Y-%m-%d")
 	stock.append('items',
 		{
-			"t_warehouse": 'Stores - SC',
+			"t_warehouse": 'Stores - _TC',
 			"item_code": item.name,
 			"qty": 5,
 			"uom": 'Nos',
 			"basic_rate": item.standard_rate,
-			"cost_center": 'Main - SC'
+			"cost_center": 'Main - _TC'
 		}
 	)
 	stock.insert()
@@ -233,7 +216,7 @@ def create_shipment_item(item_name, company_name):
 	item.append('item_defaults',
 		{
 			"company": company_name,
-			"default_warehouse": 'Stores - SC'
+			"default_warehouse": 'Stores - _TC'
 		}
 	)
 	item.insert()
diff --git a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
index 48e339ae566..c4ddc9e2d6f 100644
--- a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
@@ -24,11 +24,15 @@ from erpnext.tests.utils import ERPNextTestCase, change_settings
 
 class TestStockReconciliation(ERPNextTestCase):
 	@classmethod
-	def setUpClass(self):
+	def setUpClass(cls):
 		super().setUpClass()
 		create_batch_or_serial_no_items()
 		frappe.db.set_value("Stock Settings", None, "allow_negative_stock", 1)
 
+	def tearDown(self):
+		frappe.flags.dont_execute_stock_reposts = None
+
+
 	def test_reco_for_fifo(self):
 		self._test_reco_sle_gle("FIFO")
 
@@ -392,6 +396,41 @@ class TestStockReconciliation(ERPNextTestCase):
 		repost_exists = bool(frappe.db.exists("Repost Item Valuation", {"voucher_no": sr.name}))
 		self.assertFalse(repost_exists, msg="Negative stock validation not working on reco cancellation")
 
+	def test_intermediate_sr_bin_update(self):
+		"""Bin should show correct qty even for backdated entries.
+
+			-------------------------------------------
+			| creation | Var | Doc  | Qty | balance qty
+			-------------------------------------------
+			|  1       | SR  | Reco | 10  | 10     (posting date: today+10)
+			|  3       | SR2 | Reco | 11  | 11     (posting date: today+11)
+			|  2       | DN  | DN   | 5   | 6 <-- assert in BIN  (posting date: today+12)
+		"""
+		from erpnext.stock.doctype.delivery_note.test_delivery_note import create_delivery_note
+
+		# repost will make this test useless, qty should update in realtime without reposts
+		frappe.flags.dont_execute_stock_reposts = True
+		frappe.db.rollback()
+
+		item_code = "Backdated-Reco-Cancellation-Item"
+		warehouse = "_Test Warehouse - _TC"
+		create_item(item_code)
+
+		sr = create_stock_reconciliation(item_code=item_code, warehouse=warehouse, qty=10, rate=100,
+			posting_date=add_days(nowdate(), 10))
+
+		dn = create_delivery_note(item_code=item_code, warehouse=warehouse, qty=5, rate=120,
+			posting_date=add_days(nowdate(), 12))
+		old_bin_qty = frappe.db.get_value("Bin", {"item_code": item_code, "warehouse": warehouse}, "actual_qty")
+
+		sr2 = create_stock_reconciliation(item_code=item_code, warehouse=warehouse, qty=11, rate=100,
+			posting_date=add_days(nowdate(), 11))
+		new_bin_qty = frappe.db.get_value("Bin", {"item_code": item_code, "warehouse": warehouse}, "actual_qty")
+
+		self.assertEqual(old_bin_qty + 1, new_bin_qty)
+		frappe.db.rollback()
+
+
 	def test_valid_batch(self):
 		create_batch_item_with_batch("Testing Batch Item 1", "001")
 		create_batch_item_with_batch("Testing Batch Item 2", "002")
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index d2e840faf02..456cfe3d76f 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -65,8 +65,8 @@ def make_sl_entries(sl_entries, allow_negative_stock=False, via_landed_cost_vouc
 			is_stock_item = frappe.get_cached_value('Item', args.get("item_code"), 'is_stock_item')
 			if is_stock_item:
 				bin_name = get_or_make_bin(args.get("item_code"), args.get("warehouse"))
-				update_bin_qty(bin_name, args)
 				repost_current_voucher(args, allow_negative_stock, via_landed_cost_voucher)
+				update_bin_qty(bin_name, args)
 			else:
 				frappe.msgprint(_("Item {0} ignored since it is not a stock item").format(args.get("item_code")))
 
@@ -1157,7 +1157,7 @@ def _round_off_if_near_zero(number: float, precision: int = 6) -> float:
 	""" Rounds off the number to zero only if number is close to zero for decimal
 		specified in precision. Precision defaults to 6.
 	"""
-	if flt(number) < (1.0 / (10**precision)):
-		return 0
+	if abs(0.0 - flt(number)) < (1.0 / (10**precision)):
+		return 0.0
 
 	return flt(number)
diff --git a/erpnext/tests/test_init.py b/erpnext/tests/test_init.py
index 020133a9cca..89093ae8efd 100644
--- a/erpnext/tests/test_init.py
+++ b/erpnext/tests/test_init.py
@@ -10,13 +10,8 @@ test_records = frappe.get_test_records('Company')
 
 class TestInit(unittest.TestCase):
 	def test_encode_company_abbr(self):
-		company = frappe.new_doc("Company")
-		company.company_name = "New from Existing Company For Test"
-		company.abbr = "NFECT"
-		company.default_currency = "INR"
-		company.save()
 
-		abbr = company.abbr
+		abbr = "NFECT"
 
 		names = [
 			"Warehouse Name", "ERPNext Foundation India", "Gold - Member - {a}".format(a=abbr),
@@ -34,7 +29,7 @@ class TestInit(unittest.TestCase):
 		]
 
 		for i in range(len(names)):
-			enc_name = encode_company_abbr(names[i], company.name)
+			enc_name = encode_company_abbr(names[i], abbr=abbr)
 			self.assertTrue(
 				enc_name == expected_names[i],
 				"{enc} is not same as {exp}".format(enc=enc_name, exp=expected_names[i])