diff --git a/erpnext/accounts/doctype/period_closing_voucher/test_period_closing_voucher.py b/erpnext/accounts/doctype/period_closing_voucher/test_period_closing_voucher.py
index 8e0e62d5f8c..a944a373832 100644
--- a/erpnext/accounts/doctype/period_closing_voucher/test_period_closing_voucher.py
+++ b/erpnext/accounts/doctype/period_closing_voucher/test_period_closing_voucher.py
@@ -78,7 +78,10 @@ class TestPeriodClosingVoucher(unittest.TestCase):
 			expense_account="Cost of Goods Sold - TPC",
 			rate=400,
 			debit_to="Debtors - TPC",
+			currency="USD",
+			customer="_Test Customer USD",
 		)
+
 		create_sales_invoice(
 			company=company,
 			cost_center=cost_center2,
@@ -86,6 +89,8 @@ class TestPeriodClosingVoucher(unittest.TestCase):
 			expense_account="Cost of Goods Sold - TPC",
 			rate=200,
 			debit_to="Debtors - TPC",
+			currency="USD",
+			customer="_Test Customer USD",
 		)
 
 		pcv = self.make_period_closing_voucher(submit=False)
@@ -119,14 +124,17 @@ class TestPeriodClosingVoucher(unittest.TestCase):
 		surplus_account = create_account()
 		cost_center = create_cost_center("Test Cost Center 1")
 
-		create_sales_invoice(
+		si = create_sales_invoice(
 			company=company,
 			income_account="Sales - TPC",
 			expense_account="Cost of Goods Sold - TPC",
 			cost_center=cost_center,
 			rate=400,
 			debit_to="Debtors - TPC",
+			currency="USD",
+			customer="_Test Customer USD",
 		)
+
 		jv = make_journal_entry(
 			account1="Cash - TPC",
 			account2="Sales - TPC",
diff --git a/erpnext/accounts/doctype/pricing_rule/test_pricing_rule.py b/erpnext/accounts/doctype/pricing_rule/test_pricing_rule.py
index 4b81a7d6a23..5701402811e 100644
--- a/erpnext/accounts/doctype/pricing_rule/test_pricing_rule.py
+++ b/erpnext/accounts/doctype/pricing_rule/test_pricing_rule.py
@@ -712,7 +712,7 @@ class TestPricingRule(unittest.TestCase):
 			title="_Test Pricing Rule with Min Qty - 2",
 		)
 
-		si = create_sales_invoice(do_not_submit=True, customer="_Test Customer 1", qty=1, currency="USD")
+		si = create_sales_invoice(do_not_submit=True, customer="_Test Customer 1", qty=1)
 		item = si.items[0]
 		item.stock_qty = 1
 		si.save()
diff --git a/erpnext/accounts/party.py b/erpnext/accounts/party.py
index b76ce29b505..177624ca032 100644
--- a/erpnext/accounts/party.py
+++ b/erpnext/accounts/party.py
@@ -898,3 +898,18 @@ def get_default_contact(doctype, name):
 			return None
 	else:
 		return None
+
+
+def add_party_account(party_type, party, company, account):
+	doc = frappe.get_doc(party_type, party)
+	account_exists = False
+	for d in doc.get("accounts"):
+		if d.account == account:
+			account_exists = True
+
+	if not account_exists:
+		accounts = {"company": company, "account": account}
+
+		doc.append("accounts", accounts)
+
+		doc.save()
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 7d41c84acfc..01586b3de1c 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -35,6 +35,7 @@ from erpnext.accounts.doctype.pricing_rule.utils import (
 from erpnext.accounts.party import (
 	get_party_account,
 	get_party_account_currency,
+	get_party_gle_currency,
 	validate_party_frozen_disabled,
 )
 from erpnext.accounts.utils import get_account_currency, get_fiscal_years, validate_fiscal_year
@@ -169,6 +170,7 @@ class AccountsController(TransactionBase):
 
 		self.validate_party()
 		self.validate_currency()
+		self.validate_party_account_currency()
 
 		if self.doctype in ["Purchase Invoice", "Sales Invoice"]:
 			pos_check_field = "is_pos" if self.doctype == "Sales Invoice" else "is_paid"
@@ -1445,6 +1447,27 @@ class AccountsController(TransactionBase):
 				# at quotation / sales order level and we shouldn't stop someone
 				# from creating a sales invoice if sales order is already created
 
+	def validate_party_account_currency(self):
+		if self.doctype not in ("Sales Invoice", "Purchase Invoice"):
+			return
+
+		if self.is_opening == "Yes":
+			return
+
+		party_type, party = self.get_party()
+		party_gle_currency = get_party_gle_currency(party_type, party, self.company)
+		party_account = (
+			self.get("debit_to") if self.doctype == "Sales Invoice" else self.get("credit_to")
+		)
+		party_account_currency = get_account_currency(party_account)
+
+		if not party_gle_currency and (party_account_currency != self.currency):
+			frappe.throw(
+				_("Party Account {0} currency and document currency should be same").format(
+					frappe.bold(party_account)
+				)
+			)
+
 	def delink_advance_entries(self, linked_doc_name):
 		total_allocated_amount = 0
 		for adv in self.advances:
diff --git a/erpnext/erpnext_integrations/connectors/shopify_connection.py b/erpnext/erpnext_integrations/connectors/shopify_connection.py
index 4579a274ffa..f28afbcd83a 100644
--- a/erpnext/erpnext_integrations/connectors/shopify_connection.py
+++ b/erpnext/erpnext_integrations/connectors/shopify_connection.py
@@ -4,6 +4,7 @@ import frappe
 from frappe import _
 from frappe.utils import cint, cstr, flt, get_datetime, get_request_session, getdate, nowdate
 
+from erpnext import get_company_currency
 from erpnext.erpnext_integrations.doctype.shopify_log.shopify_log import (
 	dump_request_data,
 	make_shopify_log,
@@ -143,6 +144,10 @@ def create_sales_order(shopify_order, shopify_settings, company=None):
 				"taxes": get_order_taxes(shopify_order, shopify_settings),
 				"apply_discount_on": "Grand Total",
 				"discount_amount": get_discounted_amount(shopify_order),
+				"currency": frappe.get_value(
+					"Customer", customer or shopify_settings.default_customer, "default_currency"
+				)
+				or get_company_currency(shopify_settings.company),
 			}
 		)
 
@@ -178,6 +183,7 @@ def create_sales_invoice(shopify_order, shopify_settings, so, old_order_sync=Fal
 		si.set_posting_time = 1
 		si.posting_date = posting_date
 		si.due_date = posting_date
+		si.currency = so.currency
 		si.naming_series = shopify_settings.sales_invoice_series or "SI-Shopify-"
 		si.flags.ignore_mandatory = True
 		set_cost_center(si.items, shopify_settings.cost_center)
diff --git a/erpnext/erpnext_integrations/doctype/shopify_settings/test_shopify_settings.py b/erpnext/erpnext_integrations/doctype/shopify_settings/test_shopify_settings.py
index 7cc45d2115f..47d6d438b06 100644
--- a/erpnext/erpnext_integrations/doctype/shopify_settings/test_shopify_settings.py
+++ b/erpnext/erpnext_integrations/doctype/shopify_settings/test_shopify_settings.py
@@ -58,6 +58,7 @@ class ShopifySettings(unittest.TestCase):
 				"warehouse": "_Test Warehouse - _TC",
 				"cash_bank_account": "Cash - _TC",
 				"account": "Cash - _TC",
+				"company": "_Test Company",
 				"customer_group": "_Test Customer Group",
 				"cost_center": "Main - _TC",
 				"taxes": [{"shopify_tax": "International Shipping", "tax_account": "Legal Expenses - _TC"}],
diff --git a/erpnext/healthcare/doctype/lab_test/test_lab_test.py b/erpnext/healthcare/doctype/lab_test/test_lab_test.py
index 06c02d1ea07..c08820f36be 100644
--- a/erpnext/healthcare/doctype/lab_test/test_lab_test.py
+++ b/erpnext/healthcare/doctype/lab_test/test_lab_test.py
@@ -164,6 +164,7 @@ def create_sales_invoice():
 	sales_invoice.customer = frappe.db.get_value("Patient", patient, "customer")
 	sales_invoice.due_date = getdate()
 	sales_invoice.company = "_Test Company"
+	sales_invoice.currency = "INR"
 	sales_invoice.debit_to = get_receivable_account("_Test Company")
 
 	tests = [insulin_resistance_template, blood_test_template]
diff --git a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py
index b6e30060437..0d98fff04ff 100755
--- a/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py
+++ b/erpnext/healthcare/doctype/patient_appointment/patient_appointment.py
@@ -12,6 +12,7 @@ from frappe.model.document import Document
 from frappe.model.mapper import get_mapped_doc
 from frappe.utils import flt, get_link_to_form, get_time, getdate
 
+from erpnext import get_company_currency
 from erpnext.healthcare.doctype.healthcare_settings.healthcare_settings import (
 	get_income_account,
 	get_receivable_account,
@@ -252,6 +253,10 @@ def create_sales_invoice(appointment_doc):
 	sales_invoice = frappe.new_doc("Sales Invoice")
 	sales_invoice.patient = appointment_doc.patient
 	sales_invoice.customer = frappe.get_value("Patient", appointment_doc.patient, "customer")
+	sales_invoice.currency = frappe.get_value(
+		"Customer", sales_invoice.customer, "default_currency"
+	) or get_company_currency(appointment_doc.company)
+
 	sales_invoice.appointment = appointment_doc.name
 	sales_invoice.due_date = getdate()
 	sales_invoice.company = appointment_doc.company
diff --git a/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py b/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py
index 048547a9322..05e6b9cfe0d 100644
--- a/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py
+++ b/erpnext/healthcare/doctype/patient_appointment/test_patient_appointment.py
@@ -379,6 +379,7 @@ def create_patient(
 	patient.mobile = mobile
 	patient.email = email
 	patient.customer = customer
+	patient.default_currency = "INR"
 	patient.invite_user = create_user
 	patient.save(ignore_permissions=True)
 
diff --git a/erpnext/healthcare/doctype/therapy_plan/therapy_plan.py b/erpnext/healthcare/doctype/therapy_plan/therapy_plan.py
index 44f0a9785c4..6cb2a24e6af 100644
--- a/erpnext/healthcare/doctype/therapy_plan/therapy_plan.py
+++ b/erpnext/healthcare/doctype/therapy_plan/therapy_plan.py
@@ -6,6 +6,8 @@ import frappe
 from frappe.model.document import Document
 from frappe.utils import flt
 
+from erpnext import get_company_currency
+
 
 class TherapyPlan(Document):
 	def validate(self):
@@ -72,6 +74,9 @@ def make_sales_invoice(reference_name, patient, company, therapy_plan_template):
 	si.company = company
 	si.patient = patient
 	si.customer = frappe.db.get_value("Patient", patient, "customer")
+	si.currency = frappe.get_value(
+		"Customer", si.customer, "default_currency"
+	) or get_company_currency(si.company)
 
 	item = frappe.db.get_value("Therapy Plan Template", therapy_plan_template, "linked_item")
 	price_list, price_list_currency = frappe.db.get_values(
diff --git a/erpnext/non_profit/doctype/membership/membership.py b/erpnext/non_profit/doctype/membership/membership.py
index 835e2db8519..7f7abd06594 100644
--- a/erpnext/non_profit/doctype/membership/membership.py
+++ b/erpnext/non_profit/doctype/membership/membership.py
@@ -13,6 +13,7 @@ from frappe.model.document import Document
 from frappe.utils import add_days, add_months, add_years, get_link_to_form, getdate, nowdate
 
 import erpnext
+from erpnext import get_company_currency
 from erpnext.non_profit.doctype.member.member import create_member
 
 
@@ -203,7 +204,7 @@ def make_invoice(membership, member, plan, settings):
 			"doctype": "Sales Invoice",
 			"customer": member.customer,
 			"debit_to": settings.membership_debit_account,
-			"currency": membership.currency,
+			"currency": membership.currency or get_company_currency(settings.company),
 			"company": settings.company,
 			"is_pos": 0,
 			"items": [{"item_code": plan.linked_item, "rate": membership.amount, "qty": 1}],
diff --git a/erpnext/non_profit/doctype/membership/test_membership.py b/erpnext/non_profit/doctype/membership/test_membership.py
index aef34a69606..d73c2bed5f4 100644
--- a/erpnext/non_profit/doctype/membership/test_membership.py
+++ b/erpnext/non_profit/doctype/membership/test_membership.py
@@ -94,7 +94,7 @@ def make_membership(member, payload={}):
 		"member": member,
 		"membership_status": "Current",
 		"membership_type": "_rzpy_test_milythm",
-		"currency": "INR",
+		"currency": "USD",
 		"paid": 1,
 		"from_date": nowdate(),
 		"amount": 100,
diff --git a/erpnext/projects/doctype/timesheet/test_timesheet.py b/erpnext/projects/doctype/timesheet/test_timesheet.py
index 57bfd5b6074..7298c037a70 100644
--- a/erpnext/projects/doctype/timesheet/test_timesheet.py
+++ b/erpnext/projects/doctype/timesheet/test_timesheet.py
@@ -84,7 +84,9 @@ class TestTimesheet(unittest.TestCase):
 		emp = make_employee("test_employee_6@salary.com")
 
 		timesheet = make_timesheet(emp, simulate=True, is_billable=1)
-		sales_invoice = make_sales_invoice(timesheet.name, "_Test Item", "_Test Customer")
+		sales_invoice = make_sales_invoice(
+			timesheet.name, "_Test Item", "_Test Customer", currency="INR"
+		)
 		sales_invoice.due_date = nowdate()
 		sales_invoice.submit()
 		timesheet = frappe.get_doc("Timesheet", timesheet.name)