diff --git a/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.js b/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.js
index 4d115662f..5cbc67a16 100644
--- a/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.js
+++ b/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.js
@@ -189,4 +189,25 @@ function fetch_advances_from_mcts(frm) {
 				},
 			});
 		}
-}
\ No newline at end of file
+}
+
+/**
+ * Fetch cost head from the item doctype.
+ */
+function set_cost_head(cdt, cdn) {
+	let row = locals[cdt][cdn];
+	if (row.item_code) {
+		frappe.db.get_value('Item', row.item_code, 'cost_head')
+			.then(r => {
+				if (r.message && r.message.cost_head) {
+					frappe.model.set_value(cdt, cdn, 'cost_head', r.message.cost_head);
+				}
+			});
+	}
+}
+
+frappe.ui.form.on('Purchase Invoice Item', {
+	item_code: function(frm, cdt, cdn) {
+		set_cost_head(cdt, cdn);
+	}
+});
diff --git a/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.py b/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.py
index 0f3bd1195..6275d2c71 100644
--- a/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.py
+++ b/beams/beams/custom_scripts/purchase_invoice/purchase_invoice.py
@@ -33,3 +33,13 @@ def set_from_bureau_flag(doc, method):
     if "Bureau User" in frappe.get_roles(user):
         doc.from_bureau = 1
 
+def set_cost_head_from_item(doc, method=None):
+	"""
+		Fetch cost head from item doctype
+	"""
+	for row in doc.get("items"):
+		if not row.item_code:
+			continue
+		item_cost_head = frappe.db.get_value("Item", row.item_code, "cost_head")
+		if item_cost_head:
+			row.cost_head = item_cost_head
diff --git a/beams/beams/custom_scripts/purchase_order/purchase_order.js b/beams/beams/custom_scripts/purchase_order/purchase_order.js
index 46e5f6f4b..97ba34c4e 100644
--- a/beams/beams/custom_scripts/purchase_order/purchase_order.js
+++ b/beams/beams/custom_scripts/purchase_order/purchase_order.js
@@ -48,3 +48,24 @@ function clear_checkbox_exceed(frm){
 		frm.set_value("is_budget_exceeded", 0);
 	}
 }
+
+/**
+ * Fetch cost head from the item doctype.
+ */
+function set_cost_head(cdt, cdn) {
+	let row = locals[cdt][cdn];
+	if (row.item_code) {
+		frappe.db.get_value('Item', row.item_code, 'cost_head')
+			.then(r => {
+				if (r.message && r.message.cost_head) {
+					frappe.model.set_value(cdt, cdn, 'cost_head', r.message.cost_head);
+				}
+			});
+	}
+}
+
+frappe.ui.form.on('Purchase Order Item', {
+	item_code: function(frm, cdt, cdn) {
+		set_cost_head(cdt, cdn);
+	}
+});
diff --git a/beams/beams/custom_scripts/sales_invoice/sales_invoice.js b/beams/beams/custom_scripts/sales_invoice/sales_invoice.js
index 6ac985647..2209a5c88 100644
--- a/beams/beams/custom_scripts/sales_invoice/sales_invoice.js
+++ b/beams/beams/custom_scripts/sales_invoice/sales_invoice.js
@@ -74,3 +74,25 @@ function check_include_in_ibf(frm) {
         });
     }
 }
+
+/**
+ * Fetch cost head from the item doctype.
+ */
+function set_cost_head(cdt, cdn) {
+	let row = locals[cdt][cdn];
+	if (row.item_code) {
+		frappe.db.get_value('Item', row.item_code, 'cost_head')
+			.then(r => {
+				if (r.message && r.message.cost_head) {
+					frappe.model.set_value(cdt, cdn, 'cost_head', r.message.cost_head);
+				}
+			});
+	}
+}
+
+frappe.ui.form.on('Sales Invoice Item', {
+	item_code: function(frm, cdt, cdn) {
+		set_cost_head(cdt, cdn);
+	}
+});
+
diff --git a/beams/beams/custom_scripts/sales_order/sales_order.js b/beams/beams/custom_scripts/sales_order/sales_order.js
index 3e07265a2..bcbf77854 100644
--- a/beams/beams/custom_scripts/sales_order/sales_order.js
+++ b/beams/beams/custom_scripts/sales_order/sales_order.js
@@ -137,3 +137,24 @@ function check_is_agent_from_customer(frm) {
     });
   }
 }
+
+/**
+ * Fetch cost head from the item doctype.
+ */
+function set_cost_head(cdt, cdn) {
+	let row = locals[cdt][cdn];
+	if (row.item_code) {
+		frappe.db.get_value('Item', row.item_code, 'cost_head')
+			.then(r => {
+				if (r.message && r.message.cost_head) {
+					frappe.model.set_value(cdt, cdn, 'cost_head', r.message.cost_head);
+				}
+			});
+	}
+}
+
+frappe.ui.form.on('Sales Order Item', {
+	item_code: function(frm, cdt, cdn) {
+		set_cost_head(cdt, cdn);
+	}
+});
diff --git a/beams/hooks.py b/beams/hooks.py
index b56afcb8b..e071a3d30 100644
--- a/beams/hooks.py
+++ b/beams/hooks.py
@@ -197,7 +197,10 @@
 	"Sales Invoice": {
 		"on_update_after_submit":"beams.beams.custom_scripts.sales_invoice.sales_invoice.on_update_after_submit",
 		"autoname": "beams.beams.custom_scripts.sales_invoice.sales_invoice.autoname",
-		"validate": "beams.beams.custom_scripts.sales_invoice.sales_invoice.validate_sales_invoice_for_barter"
+		"validate": [
+			"beams.beams.custom_scripts.sales_invoice.sales_invoice.validate_sales_invoice_for_barter",
+			"beams.beams.custom_scripts.purchase_invoice.purchase_invoice.set_cost_head_from_item",
+		],
 	},
 	"Quotation": {
 		"validate": "beams.beams.custom_scripts.quotation.quotation.validate_is_barter",
@@ -208,6 +211,7 @@
 		"before_save": "beams.beams.custom_scripts.purchase_invoice.purchase_invoice.before_save",
 		"before_insert": "beams.beams.custom_scripts.purchase_invoice.purchase_invoice.set_from_bureau_flag",
 		"before_validate": "beams.beams.custom_scripts.purchase_order.purchase_order.set_is_budgeted",
+		"validate": "beams.beams.custom_scripts.purchase_invoice.purchase_invoice.set_cost_head_from_item",
 	},
 	"Account": {
 		"after_insert": "beams.beams.custom_scripts.account.account.create_todo_on_creation_for_account"
@@ -229,7 +233,10 @@
 	},
 	"Purchase Order": {
 		"on_update": "beams.beams.custom_scripts.purchase_order.purchase_order.create_todo_on_finance_verification",
-		"validate": "beams.beams.custom_scripts.purchase_order.purchase_order.validate_reason_for_rejection",
+		"validate": [
+			"beams.beams.custom_scripts.purchase_order.purchase_order.validate_reason_for_rejection",
+			"beams.beams.custom_scripts.purchase_invoice.purchase_invoice.set_cost_head_from_item",
+		],
 		"before_validate": "beams.beams.custom_scripts.purchase_order.purchase_order.set_is_budgeted",
 		"on_change":"beams.beams.custom_scripts.purchase_order.purchase_order.update_equipment_quantities",
 	},
@@ -243,7 +250,8 @@
 	"Sales Order": {
 		"autoname": "beams.beams.custom_scripts.sales_order.sales_order.autoname",
 		"before_save": "beams.beams.custom_scripts.sales_order.sales_order.validate_sales_order_amount_with_quotation",
-		"before_insert": "beams.beams.custom_scripts.sales_order.sales_order.set_region_from_quotation"
+		"before_insert": "beams.beams.custom_scripts.sales_order.sales_order.set_region_from_quotation",
+		"validate": "beams.beams.custom_scripts.purchase_invoice.purchase_invoice.set_cost_head_from_item",
 	},
 	"Contract": {
 		"on_update": "beams.beams.custom_scripts.contract.contract.create_todo_on_contract_verified_by_finance",
diff --git a/beams/setup.py b/beams/setup.py
index b51e8e843..d9d2d8311 100644
--- a/beams/setup.py
+++ b/beams/setup.py
@@ -1999,6 +1999,13 @@ def get_item_custom_fields():
 				"fieldtype": "Check",
 				"label": "Is Bundle Item",
 				"insert_after": "has_variants"
+			},
+			{
+				"fieldname": "cost_head",
+				"fieldtype": "Link",
+				"label": "Cost Head",
+				"options": "Cost Head",
+				"insert_after": "item_defaults"
 			}
 		]
 	}