diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.py b/erpnext/manufacturing/doctype/production_plan/production_plan.py
index 1eb82a5..0cc0f80 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.py
@@ -521,6 +521,9 @@
 				subcontracted_po.setdefault(row.supplier, []).append(row)
 				continue
 
+			if row.type_of_manufacturing == "Material Request":
+				continue
+
 			work_order_data = {
 				"wip_warehouse": default_warehouses.get("wip_warehouse"),
 				"fg_warehouse": default_warehouses.get("fg_warehouse"),
@@ -1161,6 +1164,7 @@
 
 	subquery = frappe.qb.from_(wh).select(wh.name).where(wh.company == company)
 
+	warehouse = ""
 	if not all_warehouse:
 		warehouse = for_warehouse or row.get("source_warehouse") or row.get("default_warehouse")
 
@@ -1226,6 +1230,21 @@
 	doc["mr_items"] = []
 
 	po_items = doc.get("po_items") if doc.get("po_items") else doc.get("items")
+
+	if doc.get("sub_assembly_items"):
+		for sa_row in doc.sub_assembly_items:
+			sa_row = frappe._dict(sa_row)
+			if sa_row.type_of_manufacturing == "Material Request":
+				po_items.append(
+					frappe._dict(
+						{
+							"item_code": sa_row.production_item,
+							"required_qty": sa_row.qty,
+							"include_exploded_items": 0,
+						}
+					)
+				)
+
 	# Check for empty table or empty rows
 	if not po_items or not [row.get("item_code") for row in po_items if row.get("item_code")]:
 		frappe.throw(
diff --git a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
index a6d034d..2bf14c2 100644
--- a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
@@ -840,6 +840,34 @@
 			self.assertEqual(row.uom, "Nos")
 			self.assertEqual(row.qty, 1)
 
+	def test_material_request_for_sub_assembly_items(self):
+		from erpnext.manufacturing.doctype.bom.test_bom import create_nested_bom
+
+		bom_tree = {
+			"Fininshed Goods1 For MR": {
+				"SubAssembly1 For MR": {"SubAssembly1-1 For MR": {"ChildPart1 For MR": {}}}
+			}
+		}
+
+		parent_bom = create_nested_bom(bom_tree, prefix="")
+		plan = create_production_plan(
+			item_code=parent_bom.item, planned_qty=10, ignore_existing_ordered_qty=1, do_not_submit=1
+		)
+
+		plan.get_sub_assembly_items()
+
+		mr_items = []
+		for row in plan.sub_assembly_items:
+			mr_items.append(row.production_item)
+			row.type_of_manufacturing = "Material Request"
+
+		plan.save()
+		items = get_items_for_material_requests(plan.as_dict())
+
+		validate_mr_items = [d.get("item_code") for d in items]
+		for item_code in mr_items:
+			self.assertTrue(item_code in validate_mr_items)
+
 
 def create_production_plan(**args):
 	"""
diff --git a/erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.json b/erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.json
index 45ea26c..4eb6bf6 100644
--- a/erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.json
+++ b/erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.json
@@ -169,7 +169,7 @@
    "fieldtype": "Select",
    "in_list_view": 1,
    "label": "Manufacturing Type",
-   "options": "In House\nSubcontract"
+   "options": "In House\nSubcontract\nMaterial Request"
   },
   {
    "fieldname": "supplier",
@@ -188,7 +188,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-01-30 21:31:10.527559",
+ "modified": "2022-11-28 13:50:15.116082",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Production Plan Sub Assembly Item",