Merge pull request #29963 from nabinhait/income-tax-computation

feat: Income tax computation Report

erpnext/payroll/doctype/gratuity/test_gratuity.py

@@ -24,7 +24,9 @@ class TestGratuity(unittest.TestCase):
 		frappe.db.delete("Gratuity")
 		frappe.db.delete("Additional Salary", {"ref_doctype": "Gratuity"})
 
-		make_earning_salary_component(setup=True, test_tax=True, company_list=["_Test Company"])
+		make_earning_salary_component(
+			setup=True, test_tax=True, company_list=["_Test Company"], include_flexi_benefits=True
+		)
 		make_deduction_salary_component(setup=True, test_tax=True, company_list=["_Test Company"])
 
 	def test_get_last_salary_slip_should_return_none_for_new_employee(self):

erpnext/payroll/doctype/salary_slip/salary_slip.py

@@ -952,8 +952,12 @@ class SalarySlip(TransactionBase):
 		)
 
 		# Structured tax amount
-		total_structured_tax_amount = self.calculate_tax_by_tax_slab(
+		eval_locals = self.get_data_for_eval()
-			total_taxable_earnings_without_full_tax_addl_components, tax_slab
+		total_structured_tax_amount = calculate_tax_by_tax_slab(
+			total_taxable_earnings_without_full_tax_addl_components,
+			tax_slab,
+			self.whitelisted_globals,
+			eval_locals,
 		)
 		current_structured_tax_amount = (
 			total_structured_tax_amount - previous_total_paid_taxes
@@ -962,7 +966,9 @@ class SalarySlip(TransactionBase):
 		# Total taxable earnings with additional earnings with full tax
 		full_tax_on_additional_earnings = 0.0
 		if current_additional_earnings_with_full_tax:
-			total_tax_amount = self.calculate_tax_by_tax_slab(total_taxable_earnings, tax_slab)
+			total_tax_amount = calculate_tax_by_tax_slab(
+				total_taxable_earnings, tax_slab, self.whitelisted_globals, eval_locals
+			)
 			full_tax_on_additional_earnings = total_tax_amount - total_structured_tax_amount
 
 		current_tax_amount = current_structured_tax_amount + full_tax_on_additional_earnings
@@ -1278,50 +1284,6 @@ class SalarySlip(TransactionBase):
 			fields="SUM(amount) as total_amount",
 		)[0].total_amount
 
-	def calculate_tax_by_tax_slab(self, annual_taxable_earning, tax_slab):
-		data = self.get_data_for_eval()
-		data.update({"annual_taxable_earning": annual_taxable_earning})
-		tax_amount = 0
-		for slab in tax_slab.slabs:
-			cond = cstr(slab.condition).strip()
-			if cond and not self.eval_tax_slab_condition(cond, data):
-				continue
-			if not slab.to_amount and annual_taxable_earning >= slab.from_amount:
-				tax_amount += (annual_taxable_earning - slab.from_amount + 1) * slab.percent_deduction * 0.01
-				continue
-			if annual_taxable_earning >= slab.from_amount and annual_taxable_earning < slab.to_amount:
-				tax_amount += (annual_taxable_earning - slab.from_amount + 1) * slab.percent_deduction * 0.01
-			elif annual_taxable_earning >= slab.from_amount and annual_taxable_earning >= slab.to_amount:
-				tax_amount += (slab.to_amount - slab.from_amount + 1) * slab.percent_deduction * 0.01
-
-		# other taxes and charges on income tax
-		for d in tax_slab.other_taxes_and_charges:
-			if flt(d.min_taxable_income) and flt(d.min_taxable_income) > annual_taxable_earning:
-				continue
-
-			if flt(d.max_taxable_income) and flt(d.max_taxable_income) < annual_taxable_earning:
-				continue
-
-			tax_amount += tax_amount * flt(d.percent) / 100
-
-		return tax_amount
-
-	def eval_tax_slab_condition(self, condition, data):
-		try:
-			condition = condition.strip()
-			if condition:
-				return frappe.safe_eval(condition, self.whitelisted_globals, data)
-		except NameError as err:
-			frappe.throw(
-				_("{0} <br> This error can be due to missing or deleted field.").format(err),
-				title=_("Name error"),
-			)
-		except SyntaxError as err:
-			frappe.throw(_("Syntax error in condition: {0}").format(err))
-		except Exception as e:
-			frappe.throw(_("Error in formula or condition: {0}").format(e))
-			raise
-
 	def get_component_totals(self, component_type, depends_on_payment_days=0):
 		joining_date, relieving_date = frappe.get_cached_value(
 			"Employee", self.employee, ["date_of_joining", "relieving_date"]
@@ -1705,3 +1667,60 @@ def get_payroll_payable_account(company, payroll_entry):
 		)
 
 	return payroll_payable_account
+
+
+def calculate_tax_by_tax_slab(
+	annual_taxable_earning, tax_slab, eval_globals=None, eval_locals=None
+):
+	eval_locals.update({"annual_taxable_earning": annual_taxable_earning})
+	tax_amount = 0
+	for slab in tax_slab.slabs:
+		cond = cstr(slab.condition).strip()
+		if cond and not eval_tax_slab_condition(cond, eval_globals, eval_locals):
+			continue
+		if not slab.to_amount and annual_taxable_earning >= slab.from_amount:
+			tax_amount += (annual_taxable_earning - slab.from_amount + 1) * slab.percent_deduction * 0.01
+			continue
+		if annual_taxable_earning >= slab.from_amount and annual_taxable_earning < slab.to_amount:
+			tax_amount += (annual_taxable_earning - slab.from_amount + 1) * slab.percent_deduction * 0.01
+		elif annual_taxable_earning >= slab.from_amount and annual_taxable_earning >= slab.to_amount:
+			tax_amount += (slab.to_amount - slab.from_amount + 1) * slab.percent_deduction * 0.01
+
+	# other taxes and charges on income tax
+	for d in tax_slab.other_taxes_and_charges:
+		if flt(d.min_taxable_income) and flt(d.min_taxable_income) > annual_taxable_earning:
+			continue
+
+		if flt(d.max_taxable_income) and flt(d.max_taxable_income) < annual_taxable_earning:
+			continue
+
+		tax_amount += tax_amount * flt(d.percent) / 100
+
+	return tax_amount
+
+
+def eval_tax_slab_condition(condition, eval_globals=None, eval_locals=None):
+	if not eval_globals:
+		eval_globals = {
+			"int": int,
+			"float": float,
+			"long": int,
+			"round": round,
+			"date": datetime.date,
+			"getdate": getdate,
+		}
+
+	try:
+		condition = condition.strip()
+		if condition:
+			return frappe.safe_eval(condition, eval_globals, eval_locals)
+	except NameError as err:
+		frappe.throw(
+			_("{0} <br> This error can be due to missing or deleted field.").format(err),
+			title=_("Name error"),
+		)
+	except SyntaxError as err:
+		frappe.throw(_("Syntax error in condition: {0} in Income Tax Slab").format(err))
+	except Exception as e:
+		frappe.throw(_("Error in formula or condition: {0} in Income Tax Slab").format(e))
+		raise

erpnext/payroll/doctype/salary_slip/test_salary_slip.py

@@ -772,6 +772,7 @@ class TestSalarySlip(unittest.TestCase):
 			"Monthly",
 			other_details={"max_benefits": 100000},
 			test_tax=True,
+			include_flexi_benefits=True,
 			employee=employee,
 			payroll_period=payroll_period,
 		)
@@ -875,6 +876,7 @@ class TestSalarySlip(unittest.TestCase):
 			"Monthly",
 			other_details={"max_benefits": 100000},
 			test_tax=True,
+			include_flexi_benefits=True,
 			employee=employee,
 			payroll_period=payroll_period,
 		)
@@ -1022,7 +1024,9 @@ def create_account(account_name, company, parent_account, account_type=None):
 	return account
 
 
-def make_earning_salary_component(setup=False, test_tax=False, company_list=None):
+def make_earning_salary_component(
+	setup=False, test_tax=False, company_list=None, include_flexi_benefits=False
+):
 	data = [
 		{
 			"salary_component": "Basic Salary",
@@ -1043,7 +1047,7 @@ def make_earning_salary_component(setup=False, test_tax=False, company_list=None
 		},
 		{"salary_component": "Leave Encashment", "abbr": "LE", "type": "Earning"},
 	]
-	if test_tax:
+	if include_flexi_benefits:
 		data.extend(
 			[
 				{
@@ -1063,11 +1067,18 @@ def make_earning_salary_component(setup=False, test_tax=False, company_list=None
 					"type": "Earning",
 					"max_benefit_amount": 15000,
 				},
+			]
+		)
+	if test_tax:
+		data.extend(
+			[
 				{"salary_component": "Performance Bonus", "abbr": "B", "type": "Earning"},
 			]
 		)
+
 	if setup or test_tax:
 		make_salary_component(data, test_tax, company_list)
+
 	data.append(
 		{
 			"salary_component": "Basic Salary",

erpnext/payroll/doctype/salary_structure/test_salary_structure.py

@@ -149,6 +149,7 @@ def make_salary_structure(
 	company=None,
 	currency=erpnext.get_default_currency(),
 	payroll_period=None,
+	include_flexi_benefits=False,
 ):
 	if test_tax:
 		frappe.db.sql("""delete from `tabSalary Structure` where name=%s""", (salary_structure))
@@ -161,7 +162,10 @@ def make_salary_structure(
 		"name": salary_structure,
 		"company": company or erpnext.get_default_company(),
 		"earnings": make_earning_salary_component(
-			setup=True, test_tax=test_tax, company_list=["_Test Company"]
+			setup=True,
+			test_tax=test_tax,
+			company_list=["_Test Company"],
+			include_flexi_benefits=include_flexi_benefits,
 		),
 		"deductions": make_deduction_salary_component(
 			setup=True, test_tax=test_tax, company_list=["_Test Company"]

erpnext/payroll/report/income_tax_computation/income_tax_computation.js

@@ -0,0 +1,47 @@
+// Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Income Tax Computation"] = {
+	"filters": [
+		{
+			"fieldname":"company",
+			"label": __("Company"),
+			"fieldtype": "Link",
+			"options": "Company",
+			"default": frappe.defaults.get_user_default("Company"),
+			"width": "100px",
+			"reqd": 1
+		},
+		{
+			"fieldname":"payroll_period",
+			"label": __("Payroll Period"),
+			"fieldtype": "Link",
+			"options": "Payroll Period",
+			"width": "100px",
+			"reqd": 1
+		},
+		{
+			"fieldname":"employee",
+			"label": __("Employee"),
+			"fieldtype": "Link",
+			"options": "Employee",
+			"width": "100px"
+		},
+		{
+			"fieldname":"department",
+			"label": __("Department"),
+			"fieldtype": "Link",
+			"options": "Department",
+			"width": "100px",
+		},
+		{
+			"fieldname":"consider_tax_exemption_declaration",
+			"label": __("Consider Tax Exemption Declaration"),
+			"fieldtype": "Check",
+			"width": "180px"
+		}
+	]
+};
+
+

erpnext/payroll/report/income_tax_computation/income_tax_computation.json

@@ -0,0 +1,36 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2022-02-17 17:19:30.921422",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "letter_head": "",
+ "modified": "2022-02-23 13:07:30.347861",
+ "modified_by": "Administrator",
+ "module": "Payroll",
+ "name": "Income Tax Computation",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Salary Slip",
+ "report_name": "Income Tax Computation",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "Employee"
+  },
+  {
+   "role": "HR User"
+  },
+  {
+   "role": "HR Manager"
+  },
+  {
+   "role": "Employee Self Service"
+  }
+ ]
+}

erpnext/payroll/report/income_tax_computation/income_tax_computation.py

@@ -0,0 +1,513 @@
+# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+import frappe
+from frappe import _, scrub
+from frappe.query_builder.functions import Sum
+from frappe.utils import add_days, flt, getdate, rounded
+
+from erpnext.payroll.doctype.payroll_entry.payroll_entry import get_start_end_dates
+from erpnext.payroll.doctype.salary_slip.salary_slip import calculate_tax_by_tax_slab
+
+
+def execute(filters=None):
+	return IncomeTaxComputationReport(filters).run()
+
+
+class IncomeTaxComputationReport(object):
+	def __init__(self, filters=None):
+		self.filters = frappe._dict(filters or {})
+		self.columns = []
+		self.data = []
+		self.employees = frappe._dict()
+		self.payroll_period_start_date = None
+		self.payroll_period_end_date = None
+		if self.filters.payroll_period:
+			self.payroll_period_start_date, self.payroll_period_end_date = frappe.db.get_value(
+				"Payroll Period", self.filters.payroll_period, ["start_date", "end_date"]
+			)
+
+	def run(self):
+		self.get_fixed_columns()
+		self.get_data()
+		return self.columns, self.data
+
+	def get_data(self):
+		self.get_employee_details()
+		self.get_future_salary_slips()
+		self.get_ctc()
+		self.get_tax_exempted_earnings_and_deductions()
+		self.get_employee_tax_exemptions()
+		self.get_hra()
+		self.get_standard_tax_exemption()
+		self.get_total_taxable_amount()
+		self.get_applicable_tax()
+		self.get_total_deducted_tax()
+		self.get_payable_tax()
+
+		self.data = list(self.employees.values())
+
+	def get_employee_details(self):
+		filters, or_filters = self.get_employee_filters()
+		fields = [
+			"name as employee",
+			"employee_name",
+			"department",
+			"designation",
+			"date_of_joining",
+			"relieving_date",
+		]
+
+		employees = frappe.get_all("Employee", filters=filters, or_filters=or_filters, fields=fields)
+		ss_assignments = self.get_ss_assignments([d.employee for d in employees])
+
+		for d in employees:
+			if d.employee in list(ss_assignments.keys()):
+				d.update(ss_assignments[d.employee])
+				self.employees.setdefault(d.employee, d)
+
+		if not self.employees:
+			frappe.throw(_("No employees found with selected filters and active salary structure"))
+
+	def get_employee_filters(self):
+		filters = {"company": self.filters.company}
+		or_filters = {
+			"status": "Active",
+			"relieving_date": ["between", [self.payroll_period_start_date, self.payroll_period_end_date]],
+		}
+		if self.filters.employee:
+			filters = {"name": self.filters.employee}
+		elif self.filters.department:
+			filters.update({"department": self.filters.department})
+
+		return filters, or_filters
+
+	def get_ss_assignments(self, employees):
+		ss_assignments = frappe.get_all(
+			"Salary Structure Assignment",
+			filters={
+				"employee": ["in", employees],
+				"docstatus": 1,
+				"salary_structure": ["is", "set"],
+				"income_tax_slab": ["is", "set"],
+			},
+			fields=["employee", "income_tax_slab", "salary_structure"],
+			order_by="from_date desc",
+		)
+
+		employee_ss_assignments = frappe._dict()
+		for d in ss_assignments:
+			if d.employee not in list(employee_ss_assignments.keys()):
+				tax_slab = frappe.get_cached_value(
+					"Income Tax Slab", d.income_tax_slab, ["allow_tax_exemption", "disabled"], as_dict=1
+				)
+
+				if tax_slab and not tax_slab.disabled:
+					employee_ss_assignments.setdefault(
+						d.employee,
+						{
+							"salary_structure": d.salary_structure,
+							"income_tax_slab": d.income_tax_slab,
+							"allow_tax_exemption": tax_slab.allow_tax_exemption,
+						},
+					)
+		return employee_ss_assignments
+
+	def get_future_salary_slips(self):
+		self.future_salary_slips = frappe._dict()
+		for employee in list(self.employees.keys()):
+			last_ss = self.get_last_salary_slip(employee)
+			if last_ss and last_ss.end_date == self.payroll_period_end_date:
+				continue
+
+			relieving_date = self.employees[employee].get("relieving_date", "")
+			if last_ss:
+				ss_start_date = add_days(last_ss.end_date, 1)
+			else:
+				ss_start_date = self.payroll_period_start_date
+				last_ss = frappe._dict(
+					{
+						"payroll_frequency": "Monthly",
+						"salary_structure": self.employees[employee].get("salary_structure"),
+					}
+				)
+
+			while getdate(ss_start_date) < getdate(self.payroll_period_end_date) and (
+				not relieving_date or getdate(ss_start_date) < relieving_date
+			):
+				ss_end_date = get_start_end_dates(last_ss.payroll_frequency, ss_start_date).end_date
+
+				ss = frappe.new_doc("Salary Slip")
+				ss.employee = employee
+				ss.start_date = ss_start_date
+				ss.end_date = ss_end_date
+				ss.salary_structure = last_ss.salary_structure
+				ss.payroll_frequency = last_ss.payroll_frequency
+				ss.company = self.filters.company
+				try:
+					ss.process_salary_structure(for_preview=1)
+					self.future_salary_slips.setdefault(employee, []).append(ss.as_dict())
+				except Exception:
+					break
+
+				ss_start_date = add_days(ss_end_date, 1)
+
+	def get_last_salary_slip(self, employee):
+		last_salary_slip = frappe.db.get_value(
+			"Salary Slip",
+			{
+				"employee": employee,
+				"docstatus": 1,
+				"start_date": ["between", [self.payroll_period_start_date, self.payroll_period_end_date]],
+			},
+			["start_date", "end_date", "salary_structure", "payroll_frequency"],
+			order_by="start_date desc",
+			as_dict=1,
+		)
+
+		return last_salary_slip
+
+	def get_ctc(self):
+		# Get total earnings from existing salary slip
+		ss = frappe.qb.DocType("Salary Slip")
+		existing_ss = frappe._dict(
+			(
+				frappe.qb.from_(ss)
+				.select(ss.employee, Sum(ss.base_gross_pay).as_("amount"))
+				.where(ss.docstatus == 1)
+				.where(ss.employee.isin(list(self.employees.keys())))
+				.where(ss.start_date >= self.payroll_period_start_date)
+				.where(ss.end_date <= self.payroll_period_end_date)
+				.groupby(ss.employee)
+			).run()
+		)
+
+		for employee in list(self.employees.keys()):
+			future_ss_earnings = self.get_future_earnings(employee)
+			ctc = flt(existing_ss.get(employee)) + future_ss_earnings
+
+			self.employees[employee].setdefault("ctc", ctc)
+
+	def get_future_earnings(self, employee):
+		future_earnings = 0.0
+		for ss in self.future_salary_slips.get(employee, []):
+			future_earnings += flt(ss.base_gross_pay)
+
+		return future_earnings
+
+	def get_tax_exempted_earnings_and_deductions(self):
+		tax_exempted_components = self.get_tax_exempted_components()
+
+		# Get component totals from existing salary slips
+		ss = frappe.qb.DocType("Salary Slip")
+		ss_comps = frappe.qb.DocType("Salary Detail")
+
+		records = (
+			frappe.qb.from_(ss)
+			.inner_join(ss_comps)
+			.on(ss.name == ss_comps.parent)
+			.select(ss.name, ss.employee, ss_comps.salary_component, Sum(ss_comps.amount).as_("amount"))
+			.where(ss.docstatus == 1)
+			.where(ss.employee.isin(list(self.employees.keys())))
+			.where(ss_comps.salary_component.isin(tax_exempted_components))
+			.where(ss.start_date >= self.payroll_period_start_date)
+			.where(ss.end_date <= self.payroll_period_end_date)
+			.groupby(ss.employee, ss_comps.salary_component)
+		).run(as_dict=True)
+
+		existing_ss_exemptions = frappe._dict()
+		for d in records:
+			existing_ss_exemptions.setdefault(d.employee, {}).setdefault(
+				scrub(d.salary_component), d.amount
+			)
+
+		for employee in list(self.employees.keys()):
+			if not self.employees[employee]["allow_tax_exemption"]:
+				continue
+
+			exemptions = existing_ss_exemptions.get(employee, {})
+			self.add_exemptions_from_future_salary_slips(employee, exemptions)
+			self.employees[employee].update(exemptions)
+
+			total_exemptions = sum(list(exemptions.values()))
+			self.add_to_total_exemption(employee, total_exemptions)
+
+	def add_exemptions_from_future_salary_slips(self, employee, exemptions):
+		for ss in self.future_salary_slips.get(employee, []):
+			for e in ss.earnings:
+				if not e.is_tax_applicable:
+					exemptions.setdefault(scrub(e.salary_component), 0)
+					exemptions[scrub(e.salary_component)] += flt(e.amount)
+
+			for d in ss.deductions:
+				if d.exempted_from_income_tax:
+					exemptions.setdefault(scrub(d.salary_component), 0)
+					exemptions[scrub(d.salary_component)] += flt(d.amount)
+
+		return exemptions
+
+	def get_tax_exempted_components(self):
+		# nontaxable earning components
+		nontaxable_earning_components = [
+			d.name
+			for d in frappe.get_all(
+				"Salary Component", {"type": "Earning", "is_tax_applicable": 0, "disabled": 0}
+			)
+		]
+
+		# tax exempted deduction components
+		tax_exempted_deduction_components = [
+			d.name
+			for d in frappe.get_all(
+				"Salary Component", {"type": "Deduction", "exempted_from_income_tax": 1, "disabled": 0}
+			)
+		]
+
+		tax_exempted_components = nontaxable_earning_components + tax_exempted_deduction_components
+
+		# Add columns
+		for d in tax_exempted_components:
+			self.add_column(d)
+
+		return tax_exempted_components
+
+	def add_to_total_exemption(self, employee, amount):
+		self.employees[employee].setdefault("total_exemption", 0)
+		self.employees[employee]["total_exemption"] += amount
+
+	def get_employee_tax_exemptions(self):
+		# add columns
+		exemption_categories = frappe.get_all("Employee Tax Exemption Category", {"is_active": 1})
+		for d in exemption_categories:
+			self.add_column(d.name)
+
+		self.employees_with_proofs = []
+		self.get_tax_exemptions("Employee Tax Exemption Proof Submission")
+		if self.filters.consider_tax_exemption_declaration:
+			self.get_tax_exemptions("Employee Tax Exemption Declaration")
+
+	def get_tax_exemptions(self, source):
+		# Get category-wise exmeptions based on submitted proofs or declarations
+		if source == "Employee Tax Exemption Proof Submission":
+			child_doctype = "Employee Tax Exemption Proof Submission Detail"
+		else:
+			child_doctype = "Employee Tax Exemption Declaration Category"
+
+		max_exemptions = self.get_max_exemptions_based_on_category()
+
+		par = frappe.qb.DocType(source)
+		child = frappe.qb.DocType(child_doctype)
+
+		records = (
+			frappe.qb.from_(par)
+			.inner_join(child)
+			.on(par.name == child.parent)
+			.select(par.employee, child.exemption_category, Sum(child.amount).as_("amount"))
+			.where(par.docstatus == 1)
+			.where(par.employee.isin(list(self.employees.keys())))
+			.where(par.payroll_period == self.filters.payroll_period)
+			.groupby(par.employee, child.exemption_category)
+		).run(as_dict=True)
+
+		for d in records:
+			if not self.employees[d.employee]["allow_tax_exemption"]:
+				continue
+
+			if source == "Employee Tax Exemption Declaration" and d.employee in self.employees_with_proofs:
+				continue
+
+			amount = flt(d.amount)
+			max_eligible_amount = flt(max_exemptions.get(d.exemption_category))
+			if max_eligible_amount and amount > max_eligible_amount:
+				amount = max_eligible_amount
+
+			self.employees[d.employee].setdefault(scrub(d.exemption_category), amount)
+			self.add_to_total_exemption(d.employee, amount)
+
+			if (
+				source == "Employee Tax Exemption Proof Submission"
+				and d.employee not in self.employees_with_proofs
+			):
+				self.employees_with_proofs.append(d.employee)
+
+	def get_max_exemptions_based_on_category(self):
+		return dict(
+			frappe.get_all(
+				"Employee Tax Exemption Category",
+				filters={"is_active": 1},
+				fields=["name", "max_amount"],
+				as_list=1,
+			)
+		)
+
+	def get_hra(self):
+		if not frappe.get_meta("Employee Tax Exemption Declaration").has_field("monthly_house_rent"):
+			return
+
+		self.add_column("HRA")
+
+		self.employees_with_proofs = []
+		self.get_eligible_hra("Employee Tax Exemption Proof Submission")
+		if self.filters.consider_tax_exemption_declaration:
+			self.get_eligible_hra("Employee Tax Exemption Declaration")
+
+	def get_eligible_hra(self, source):
+		if source == "Employee Tax Exemption Proof Submission":
+			hra_amount_field = "total_eligible_hra_exemption"
+		else:
+			hra_amount_field = "annual_hra_exemption"
+
+		records = frappe.get_all(
+			source,
+			filters={
+				"docstatus": 1,
+				"employee": ["in", list(self.employees.keys())],
+				"payroll_period": self.filters.payroll_period,
+			},
+			fields=["employee", hra_amount_field],
+			as_list=1,
+		)
+
+		for d in records:
+			if not self.employees[d[0]]["allow_tax_exemption"]:
+				continue
+
+			if d[0] not in self.employees_with_proofs:
+				self.employees[d[0]].setdefault("hra", d[1])
+				self.add_to_total_exemption(d[0], d[1])
+				self.employees_with_proofs.append(d[0])
+
+	def get_standard_tax_exemption(self):
+		self.add_column("Standard Tax Exemption")
+
+		standard_exemptions_per_slab = dict(
+			frappe.get_all(
+				"Income Tax Slab",
+				filters={"company": self.filters.company, "docstatus": 1, "disabled": 0},
+				fields=["name", "standard_tax_exemption_amount"],
+				as_list=1,
+			)
+		)
+
+		for emp, emp_details in self.employees.items():
+			if not self.employees[emp]["allow_tax_exemption"]:
+				continue
+
+			income_tax_slab = emp_details.get("income_tax_slab")
+			standard_exemption = standard_exemptions_per_slab.get(income_tax_slab, 0)
+			emp_details["standard_tax_exemption"] = standard_exemption
+			self.add_to_total_exemption(emp, standard_exemption)
+
+		self.add_column("Total Exemption")
+
+	def get_total_taxable_amount(self):
+		self.add_column("Total Taxable Amount")
+		for emp, emp_details in self.employees.items():
+			emp_details["total_taxable_amount"] = flt(emp_details.get("ctc")) - flt(
+				emp_details.get("total_exemption")
+			)
+
+	def get_applicable_tax(self):
+		self.add_column("Applicable Tax")
+
+		is_tax_rounded = frappe.db.get_value(
+			"Salary Component",
+			{"variable_based_on_taxable_salary": 1, "disabled": 0},
+			"round_to_the_nearest_integer",
+		)
+
+		for emp, emp_details in self.employees.items():
+			tax_slab = emp_details.get("income_tax_slab")
+			if tax_slab:
+				tax_slab = frappe.get_cached_doc("Income Tax Slab", tax_slab)
+				employee_dict = frappe.get_doc("Employee", emp).as_dict()
+				tax_amount = calculate_tax_by_tax_slab(
+					emp_details["total_taxable_amount"], tax_slab, eval_globals=None, eval_locals=employee_dict
+				)
+			else:
+				tax_amount = 0.0
+
+			if is_tax_rounded:
+				tax_amount = rounded(tax_amount)
+			emp_details["applicable_tax"] = tax_amount
+
+	def get_total_deducted_tax(self):
+		self.add_column("Total Tax Deducted")
+
+		ss = frappe.qb.DocType("Salary Slip")
+		ss_ded = frappe.qb.DocType("Salary Detail")
+
+		records = (
+			frappe.qb.from_(ss)
+			.inner_join(ss_ded)
+			.on(ss.name == ss_ded.parent)
+			.select(ss.employee, Sum(ss_ded.amount).as_("amount"))
+			.where(ss.docstatus == 1)
+			.where(ss.employee.isin(list(self.employees.keys())))
+			.where(ss_ded.parentfield == "deductions")
+			.where(ss_ded.variable_based_on_taxable_salary == 1)
+			.where(ss.start_date >= self.payroll_period_start_date)
+			.where(ss.end_date <= self.payroll_period_end_date)
+			.groupby(ss.employee)
+		).run(as_dict=True)
+
+		for d in records:
+			self.employees[d.employee].setdefault("total_tax_deducted", d.amount)
+
+	def get_payable_tax(self):
+		self.add_column("Payable Tax")
+
+		for emp, emp_details in self.employees.items():
+			emp_details["payable_tax"] = flt(emp_details.get("applicable_tax")) - flt(
+				emp_details.get("total_tax_deducted")
+			)
+
+	def add_column(self, label, fieldname=None, fieldtype=None, options=None, width=None):
+		col = {
+			"label": _(label),
+			"fieldname": fieldname or scrub(label),
+			"fieldtype": fieldtype or "Currency",
+			"options": options,
+			"width": width or "140px",
+		}
+		self.columns.append(col)
+
+	def get_fixed_columns(self):
+		self.columns = [
+			{
+				"label": _("Employee"),
+				"fieldname": "employee",
+				"fieldtype": "Link",
+				"options": "Employee",
+				"width": "140px",
+			},
+			{
+				"label": _("Employee Name"),
+				"fieldname": "employee_name",
+				"fieldtype": "Data",
+				"width": "160px",
+			},
+			{
+				"label": _("Department"),
+				"fieldname": "department",
+				"fieldtype": "Link",
+				"options": "Department",
+				"width": "140px",
+			},
+			{
+				"label": _("Designation"),
+				"fieldname": "designation",
+				"fieldtype": "Link",
+				"options": "Designation",
+				"width": "140px",
+			},
+			{"label": _("Date of Joining"), "fieldname": "date_of_joining", "fieldtype": "Date"},
+			{
+				"label": _("Income Tax Slab"),
+				"fieldname": "income_tax_slab",
+				"fieldtype": "Link",
+				"options": "Income Tax Slab",
+				"width": "140px",
+			},
+			{"label": _("CTC"), "fieldname": "ctc", "fieldtype": "Currency", "width": "140px"},
+		]

erpnext/payroll/report/income_tax_computation/test_income_tax_computation.py

@@ -0,0 +1,115 @@
+import unittest
+
+import frappe
+from frappe.utils import getdate
+
+from erpnext.hr.doctype.employee.test_employee import make_employee
+from erpnext.payroll.doctype.employee_tax_exemption_declaration.test_employee_tax_exemption_declaration import (
+	create_payroll_period,
+)
+from erpnext.payroll.doctype.salary_slip.test_salary_slip import (
+	create_exemption_declaration,
+	create_salary_slips_for_payroll_period,
+	create_tax_slab,
+)
+from erpnext.payroll.doctype.salary_structure.test_salary_structure import make_salary_structure
+from erpnext.payroll.report.income_tax_computation.income_tax_computation import execute
+
+
+class TestIncomeTaxComputation(unittest.TestCase):
+	def setUp(self):
+		self.cleanup_records()
+		self.create_records()
+
+	def tearDown(self):
+		frappe.db.rollback()
+
+	def cleanup_records(self):
+		frappe.db.sql("delete from `tabEmployee Tax Exemption Declaration`")
+		frappe.db.sql("delete from `tabPayroll Period`")
+		frappe.db.sql("delete from `tabIncome Tax Slab`")
+		frappe.db.sql("delete from `tabSalary Component`")
+		frappe.db.sql("delete from `tabEmployee Benefit Application`")
+		frappe.db.sql("delete from `tabEmployee Benefit Claim`")
+		frappe.db.sql("delete from `tabEmployee` where company='_Test Company'")
+		frappe.db.sql("delete from `tabSalary Slip`")
+
+	def create_records(self):
+		self.employee = make_employee(
+			"employee_tax_computation@example.com",
+			company="_Test Company",
+			date_of_joining=getdate("01-10-2021"),
+		)
+
+		self.payroll_period = create_payroll_period(
+			name="_Test Payroll Period 1", company="_Test Company"
+		)
+
+		self.income_tax_slab = create_tax_slab(
+			self.payroll_period,
+			allow_tax_exemption=True,
+			effective_date=getdate("2019-04-01"),
+			company="_Test Company",
+		)
+		salary_structure = make_salary_structure(
+			"Monthly Salary Structure Test Income Tax Computation",
+			"Monthly",
+			employee=self.employee,
+			company="_Test Company",
+			currency="INR",
+			payroll_period=self.payroll_period,
+			test_tax=True,
+		)
+
+		create_exemption_declaration(self.employee, self.payroll_period.name)
+
+		create_salary_slips_for_payroll_period(
+			self.employee, salary_structure.name, self.payroll_period, deduct_random=False, num=3
+		)
+
+	def test_report(self):
+		filters = frappe._dict(
+			{
+				"company": "_Test Company",
+				"payroll_period": self.payroll_period.name,
+				"employee": self.employee,
+			}
+		)
+
+		result = execute(filters)
+
+		expected_data = {
+			"employee": self.employee,
+			"employee_name": "employee_tax_computation@example.com",
+			"department": "All Departments",
+			"income_tax_slab": self.income_tax_slab,
+			"ctc": 936000.0,
+			"professional_tax": 2400.0,
+			"standard_tax_exemption": 50000,
+			"total_exemption": 52400.0,
+			"total_taxable_amount": 883600.0,
+			"applicable_tax": 92789.0,
+			"total_tax_deducted": 17997.0,
+			"payable_tax": 74792,
+		}
+
+		for key, val in expected_data.items():
+			self.assertEqual(result[1][0].get(key), val)
+
+		# Run report considering tax exemption declaration
+		filters.consider_tax_exemption_declaration = 1
+
+		result = execute(filters)
+
+		expected_data.update(
+			{
+				"_test_category": 100000.0,
+				"total_exemption": 152400.0,
+				"total_taxable_amount": 783600.0,
+				"applicable_tax": 71989.0,
+				"payable_tax": 53992.0,
+			}
+		)
+
+		for key, val in expected_data.items():
+			self.assertEqual(result[1][0].get(key), val)

erpnext/payroll/workspace/payroll/payroll.json

@@ -245,6 +245,17 @@
    "onboard": 0,
    "type": "Link"
   },
+  {
+    "dependencies": "Salary Structure",
+    "hidden": 0,
+    "is_query_report": 1,
+    "label": "Income Tax Computation",
+    "link_count": 0,
+    "link_to": "Income Tax Computation",
+    "link_type": "Report",
+    "onboard": 0,
+    "type": "Link"
+   },
   {
    "dependencies": "Salary Slip",
    "hidden": 0,
@@ -312,7 +323,7 @@
    "type": "Link"
   }
  ],
- "modified": "2022-01-13 17:41:19.098813",
+ "modified": "2022-02-23 17:41:19.098813",
  "modified_by": "Administrator",
  "module": "Payroll",
  "name": "Payroll",