diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index e03ed86..ef1f6bd 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -486,7 +486,7 @@
 	currency() {
 		var me = this;
 		super.currency();
-		if (!this.frm.doc.is_return && this.frm.doc.timesheets) {
+		if (this.frm.doc.timesheets) {
 			this.frm.doc.timesheets.forEach((d) => {
 				let row = frappe.get_doc(d.doctype, d.name)
 				set_timesheet_detail_rate(row.doctype, row.name, me.frm.doc.currency, row.timesheet_detail)
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index 5e2187e..88b28ad 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -785,6 +785,7 @@
    "hide_days": 1,
    "hide_seconds": 1,
    "label": "Time Sheets",
+   "no_copy": 1,
    "options": "Sales Invoice Timesheet",
    "print_hide": 1
   },
@@ -2182,7 +2183,7 @@
    "link_fieldname": "consolidated_invoice"
   }
  ],
- "modified": "2024-01-02 17:25:46.027523",
+ "modified": "2024-03-01 09:21:54.201289",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Sales Invoice",
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 572a9f9..3352e0d 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -757,8 +757,6 @@
 	def validate_time_sheets_are_submitted(self):
 		for data in self.timesheets:
 			if data.time_sheet:
-				if self.is_return:
-					continue
 				status = frappe.db.get_value("Timesheet", data.time_sheet, "status")
 				if status not in ["Submitted", "Payslip"]:
 					frappe.throw(_("Timesheet {0} is already completed or cancelled").format(data.time_sheet))