diff --git a/erpnext/patches/v13_0/setup_gratuity_rule_for_india_and_uae.py b/erpnext/patches/v13_0/setup_gratuity_rule_for_india_and_uae.py
index 2dd064e..a71f33c 100644
--- a/erpnext/patches/v13_0/setup_gratuity_rule_for_india_and_uae.py
+++ b/erpnext/patches/v13_0/setup_gratuity_rule_for_india_and_uae.py
@@ -2,8 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 from __future__ import unicode_literals
-
-import erpnext, frappe
+import frappe
 
 def execute():
     frappe.reload_doc('payroll', 'doctype', 'gratuity_rule')
diff --git a/erpnext/payroll/doctype/gratuity/gratuity.py b/erpnext/payroll/doctype/gratuity/gratuity.py
index e6c519a..0693583 100644
--- a/erpnext/payroll/doctype/gratuity/gratuity.py
+++ b/erpnext/payroll/doctype/gratuity/gratuity.py
@@ -21,7 +21,7 @@
 			self.status = "Paid"
 
 	def on_submit(self):
-		create_additional_salary()
+		self.create_additional_salary()
 
 	def create_additional_salary(self):
 		if self.pay_via_salary_slip:
@@ -194,6 +194,3 @@
 		},
 		order_by = "start_date desc")[0].name
 
-
-
-
diff --git a/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.js b/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.js
index 9e9f3e2..1a5347e 100644
--- a/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.js
+++ b/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.js
@@ -22,7 +22,6 @@
 		Wrong order may lead to Wrong Calculation
 	*/
 
-
 	gratuity_rule_slabs_add(frm, cdt, cdn) {
 		let row = locals[cdt][cdn];
 		let array_idx = row.idx - 1;
diff --git a/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.py b/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.py
index 00b5752..29a6ebe 100644
--- a/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.py
+++ b/erpnext/payroll/doctype/gratuity_rule/gratuity_rule.py
@@ -17,4 +17,17 @@
 			if current_slab.to_year == 0 and current_slab.from_year == 0 and len(self.gratuity_rule_slabs) > 1:
 				frappe.throw(_("You can not define multiple slabs if you have a slab with no lower and upper limits."))
 
+def get_gratuity_rule(name, slabs, **args):
+	args = frappe._dict(args)
 
+	rule = frappe.new_doc("Gratuity Rule")
+	rule.name = name
+	rule.calculate_gratuity_amount_based_on = args.calculate_gratuity_amount_based_on or "Current Slab"
+	rule.work_experience_calculation_method = args.work_experience_calculation_method or "Take Exact Completed Years"
+	rule.minimum_year_for_gratuity = 1
+
+
+	for slab in slabs:
+		slab = frappe._dict(slab)
+		rule.append("gratuity_rule_slabs", slab)
+	return rule
diff --git a/erpnext/regional/united_arab_emirates/setup.py b/erpnext/regional/united_arab_emirates/setup.py
index b91318c..2a45c22 100644
--- a/erpnext/regional/united_arab_emirates/setup.py
+++ b/erpnext/regional/united_arab_emirates/setup.py
@@ -7,6 +7,7 @@
 from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
 from frappe.permissions import add_permission, update_permission_property
 from erpnext.setup.setup_wizard.operations.taxes_setup import create_sales_tax
+from erpnext.payroll.doctype.gratuity_rule.gratuity_rule import get_gratuity_rule
 
 def setup(company=None, patch=True):
 	make_custom_fields()
@@ -161,104 +162,91 @@
 			update_permission_property(doctype, role, 0, 'create', 1)
 
 def create_gratuity_rule():
-
-	# Standard Gratuity Rules for UAE
+	rule_1 = rule_2 = rule_3 = None
 
 	# Rule Under Limited Contract
+	slabs = get_slab_for_limited_contract()
 	if not frappe.db.exists("Gratuity Rule", "Rule Under Limited Contract (UAE)"):
-		rule_1 = frappe.new_doc("Gratuity Rule")
-		rule_1.name = "Rule Under Limited Contract (UAE)"
-		rule_1.calculate_gratuity_amount_based_on = "Sum of all previous slabs"
-		rule_1.work_experience_calculation_method = "Take Exact Completed Years"
-		rule_1.minimum_year_for_gratuity = 1
-
-		rule_1.append("gratuity_rule_slabs", {
-			"from_year": 0,
-			"to_year":1,
-			"fraction_of_applicable_earnings": 0
-		})
-
-		rule_1.append("gratuity_rule_slabs", {
-			"from_year": 1,
-			"to_year":5,
-			"fraction_of_applicable_earnings": 21/30
-		})
-
-		rule_1.append("gratuity_rule_slabs", {
-			"from_year": 5,
-			"to_year":0,
-			"fraction_of_applicable_earnings": 1
-		})
+		rule_1 = get_gratuity_rule("Rule Under Limited Contract (UAE)", slabs, calculate_gratuity_amount_based_on="Sum of all previous slabs")
 
 	# Rule Under Unlimited Contract on termination
+	slabs = get_slab_for_unlimited_contract_on_termination()
 	if not frappe.db.exists("Gratuity Rule", "Rule Under Unlimited Contract on termination (UAE)"):
-		rule_2 = frappe.new_doc("Gratuity Rule")
-		rule_2.name = "Rule Under Unlimited Contract on termination (UAE)"
-		rule_2.calculate_gratuity_amount_based_on = "Current Slab"
-		rule_2.work_experience_calculation_method = "Take Exact Completed Years"
-		rule_2.minimum_year_for_gratuity = 1
+		rule_2 = get_gratuity_rule("Rule Under Unlimited Contract on termination (UAE)", slabs)
 
-		rule_2.append("gratuity_rule_slabs", {
-			"from_year": 0,
-			"to_year":1,
-			"fraction_of_applicable_earnings": 0
-		})
-
-		rule_2.append("gratuity_rule_slabs", {
-			"from_year": 1,
-			"to_year":5,
-			"fraction_of_applicable_earnings": 21/30
-		})
-
-		rule_2.append("gratuity_rule_slabs", {
-			"from_year": 5,
-			"to_year":0,
-			"fraction_of_applicable_earnings": 1
-		})
-
-	# Rule Under Unlimited Contract
+	# Rule Under Unlimited Contract on resignation
+	slabs = get_slab_for_unlimited_contract_on_resignation()
 	if not frappe.db.exists("Gratuity Rule", "Rule Under Unlimited Contract on resignation (UAE)"):
-		rule_3 = frappe.new_doc("Gratuity Rule")
-		rule_3.name = "Rule Under Unlimited Contract on resignation (UAE)"
-		rule_3.calculate_gratuity_amount_based_on = "Current Slab"
-		rule_3.work_experience_calculation_method = "Take Exact Completed Years"
-		rule_3.minimum_year_for_gratuity = 1
+		rule_3 = get_gratuity_rule("Rule Under Unlimited Contract on resignation (UAE)", slabs)
 
-		rule_3.append("gratuity_rule_slabs", {
-			"from_year": 0,
-			"to_year":1,
-			"fraction_of_applicable_earnings": 0
-		})
-
-		fraction_of_applicable_earnings = 1/3 * 21/30
-		rule_3.append("gratuity_rule_slabs", {
-			"from_year": 1,
-			"to_year":3,
-			"fraction_of_applicable_earnings": fraction_of_applicable_earnings
-		})
-
-		fraction_of_applicable_earnings = 2/3 * 21/30
-		rule_3.append("gratuity_rule_slabs", {
-			"from_year": 3,
-			"to_year":5,
-			"fraction_of_applicable_earnings": fraction_of_applicable_earnings
-		})
-
-		fraction_of_applicable_earnings = 21/30
-		rule_3.append("gratuity_rule_slabs", {
-			"from_year": 5,
-			"to_year":0,
-			"fraction_of_applicable_earnings": fraction_of_applicable_earnings
-		})
-
-
-		#for applicable salary component user need to set this by its own
+	#for applicable salary component user need to set this by its own
+	if rule_1:
 		rule_1.flags.ignore_mandatory = True
-		rule_2.flags.ignore_mandatory = True
-		rule_3.flags.ignore_mandatory = True
-
 		rule_1.save()
+	if rule_2:
+		rule_2.flags.ignore_mandatory = True
 		rule_2.save()
+	if rule_3:
+		rule_3.flags.ignore_mandatory = True
 		rule_3.save()
 
 
+def get_slab_for_limited_contract():
+	return [{
+		"from_year": 0,
+		"to_year":1,
+		"fraction_of_applicable_earnings": 0
+	},
+	{
+		"from_year": 1,
+		"to_year":5,
+		"fraction_of_applicable_earnings": 21/30
+	},
+	{
+		"from_year": 5,
+		"to_year":0,
+		"fraction_of_applicable_earnings": 1
+	}]
+
+def get_slab_for_unlimited_contract_on_termination():
+	return [{
+		"from_year": 0,
+		"to_year":1,
+		"fraction_of_applicable_earnings": 0
+	},
+	{
+		"from_year": 1,
+		"to_year":5,
+		"fraction_of_applicable_earnings": 21/30
+	},
+	{
+		"from_year": 5,
+		"to_year":0,
+		"fraction_of_applicable_earnings": 1
+	}]
+
+def get_slab_for_unlimited_contract_on_resignation():
+	fraction_1 = 1/3 * 21/30
+	fraction_2 = 2/3 * 21/30
+	fraction_3 = 21/30
+
+	return [{
+		"from_year": 0,
+		"to_year":1,
+		"fraction_of_applicable_earnings": 0
+	},
+	{
+		"from_year": 1,
+		"to_year":3,
+		"fraction_of_applicable_earnings": fraction_1
+	},
+	{
+		"from_year": 3,
+		"to_year":5,
+		"fraction_of_applicable_earnings": fraction_2
+	},
+	{
+		"from_year": 5,
+		"to_year":0,
+		"fraction_of_applicable_earnings": fraction_3
+	}]