diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index ac567b7..e05c70e 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -847,6 +847,7 @@
 		where
 			t2.parent = t1.name and t1.item = %s
 			and t1.docstatus = 1 and t1.is_active = 1 and t1.name = %s
+			and t2.sourced_by_supplier = 0
 			and t2.item_code = t3.name""".format(doctype),
 			(item_code, bom), as_dict=1)
 
diff --git a/erpnext/manufacturing/doctype/bom/bom.js b/erpnext/manufacturing/doctype/bom/bom.js
index 47b4207..1c4b7a1 100644
--- a/erpnext/manufacturing/doctype/bom/bom.js
+++ b/erpnext/manufacturing/doctype/bom/bom.js
@@ -434,7 +434,8 @@
 				"include_item_in_manufacturing": d.include_item_in_manufacturing,
 				"uom": d.uom,
 				"stock_uom": d.stock_uom,
-				"conversion_factor": d.conversion_factor
+				"conversion_factor": d.conversion_factor,
+				"sourced_by_supplier": d.sourced_by_supplier
 			},
 			callback: function(r) {
 				d = locals[cdt][cdn];
@@ -616,6 +617,22 @@
 	refresh_field("allow_alternative_item", d.name, d.parentfield);
 });
 
+frappe.ui.form.on("BOM Item", "sourced_by_supplier", function(frm, cdt, cdn) {
+	var d = locals[cdt][cdn];
+	if (d.sourced_by_supplier) {
+		d.rate = 0;
+		refresh_field("rate", d.name, d.parentfield);
+	}
+});
+
+frappe.ui.form.on("BOM Item", "rate", function(frm, cdt, cdn) {
+	var d = locals[cdt][cdn];
+	if (d.sourced_by_supplier) {
+		d.rate = 0;
+		refresh_field("rate", d.name, d.parentfield);
+	}
+});
+
 frappe.ui.form.on("BOM Operation", "operations_remove", function(frm) {
 	erpnext.bom.calculate_op_cost(frm.doc);
 	erpnext.bom.calculate_total(frm.doc);
diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 3189433..71d49a9 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -137,7 +137,8 @@
 				"qty": item.qty,
 				"uom": item.uom,
 				"stock_uom": item.stock_uom,
-				"conversion_factor": item.conversion_factor
+				"conversion_factor": item.conversion_factor,
+				"sourced_by_supplier": item.sourced_by_supplier
 			})
 			for r in ret:
 				if not item.get(r):
@@ -172,7 +173,8 @@
 			 'qty'			: args.get("qty") or args.get("stock_qty") or 1,
 			 'stock_qty'	: args.get("qty") or args.get("stock_qty") or 1,
 			 'base_rate'	: flt(rate) * (flt(self.conversion_rate) or 1),
-			 'include_item_in_manufacturing': cint(args['transfer_for_manufacture']) or 0
+			 'include_item_in_manufacturing': cint(args['transfer_for_manufacture']) or 0,
+			 'sourced_by_supplier'		: args['sourced_by_supplier'] or 0
 		}
 
 		return ret_item
@@ -191,8 +193,8 @@
 		if arg.get('scrap_items'):
 			rate = get_valuation_rate(arg)
 		elif arg:
-			#Customer Provided parts will have zero rate
-			if not frappe.db.get_value('Item', arg["item_code"], 'is_customer_provided_item'):
+			#Customer Provided parts and Supplier sourced parts will have zero rate
+			if not frappe.db.get_value('Item', arg["item_code"], 'is_customer_provided_item') and not arg.get('sourced_by_supplier'):
 				if arg.get('bom_no') and self.set_rate_of_sub_assembly_item_based_on_bom:
 					rate = flt(self.get_bom_unitcost(arg['bom_no'])) * (arg.get("conversion_factor") or 1)
 				else:
@@ -205,7 +207,6 @@
 						else:
 							frappe.msgprint(_("{0} not found for item {1}")
 								.format(self.rm_cost_as_per, arg["item_code"]), alert=True)
-
 		return flt(rate) * flt(self.plc_conversion_rate or 1) / (self.conversion_rate or 1)
 
 	def update_cost(self, update_parent=True, from_child_bom=False, save=True):
@@ -221,7 +222,8 @@
 				"qty": d.qty,
 				"uom": d.uom,
 				"stock_uom": d.stock_uom,
-				"conversion_factor": d.conversion_factor
+				"conversion_factor": d.conversion_factor,
+				"sourced_by_supplier": d.sourced_by_supplier
 			})
 
 			if rate:
@@ -495,7 +497,8 @@
 					'stock_uom'		: d.stock_uom,
 					'stock_qty'		: flt(d.stock_qty),
 					'rate'			: flt(d.base_rate) / (flt(d.conversion_factor) or 1.0),
-					'include_item_in_manufacturing': d.include_item_in_manufacturing
+					'include_item_in_manufacturing': d.include_item_in_manufacturing,
+					'sourced_by_supplier': d.sourced_by_supplier
 				}))
 
 	def company_currency(self):
@@ -521,6 +524,7 @@
 				bom_item.stock_qty,
 				bom_item.rate,
 				bom_item.include_item_in_manufacturing,
+				bom_item.sourced_by_supplier,
 				bom_item.stock_qty / ifnull(bom.quantity, 1) AS qty_consumed_per_unit
 			FROM `tabBOM Explosion Item` bom_item, tabBOM bom
 			WHERE
@@ -539,7 +543,8 @@
 				'stock_uom'				: d['stock_uom'],
 				'stock_qty'				: d['qty_consumed_per_unit'] * stock_qty,
 				'rate'					: flt(d['rate']),
-				'include_item_in_manufacturing': d.get('include_item_in_manufacturing', 0)
+				'include_item_in_manufacturing': d.get('include_item_in_manufacturing', 0),
+				'sourced_by_supplier': d.get('sourced_by_supplier', 0)
 			}))
 
 	def add_exploded_items(self):
@@ -679,7 +684,7 @@
 			is_stock_item=is_stock_item,
 			qty_field="stock_qty",
 			select_columns = """, bom_item.source_warehouse, bom_item.operation,
-				bom_item.include_item_in_manufacturing, bom_item.description, bom_item.rate,
+				bom_item.include_item_in_manufacturing, bom_item.description, bom_item.rate, bom_item.sourced_by_supplier,
 				(Select idx from `tabBOM Item` where item_code = bom_item.item_code and parent = %(parent)s limit 1) as idx""")
 
 		items = frappe.db.sql(query, { "parent": bom, "qty": qty, "bom": bom, "company": company }, as_dict=True)
@@ -692,7 +697,7 @@
 		query = query.format(table="BOM Item", where_conditions="", is_stock_item=is_stock_item,
 			qty_field="stock_qty" if fetch_qty_in_stock_uom else "qty",
 			select_columns = """, bom_item.uom, bom_item.conversion_factor, bom_item.source_warehouse,
-				bom_item.idx, bom_item.operation, bom_item.include_item_in_manufacturing,
+				bom_item.idx, bom_item.operation, bom_item.include_item_in_manufacturing, bom_item.sourced_by_supplier,
 				bom_item.description, bom_item.base_rate as rate """)
 		items = frappe.db.sql(query, { "qty": qty, "bom": bom, "company": company }, as_dict=True)
 
diff --git a/erpnext/manufacturing/doctype/bom/test_bom.py b/erpnext/manufacturing/doctype/bom/test_bom.py
index 3dfd03b..eface4d 100644
--- a/erpnext/manufacturing/doctype/bom/test_bom.py
+++ b/erpnext/manufacturing/doctype/bom/test_bom.py
@@ -10,6 +10,8 @@
 from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import create_stock_reconciliation
 from erpnext.manufacturing.doctype.bom_update_tool.bom_update_tool import update_cost
 from six import string_types
+from erpnext.stock.doctype.item.test_item import make_item
+from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
 
 test_records = frappe.get_test_records('BOM')
 
@@ -138,6 +140,74 @@
 
 		self.assertEqual(bom.items[0].rate, 20)
 
+	def test_subcontractor_sourced_item(self):
+		item_code = "_Test Subcontracted FG Item 1"
+
+		if not frappe.db.exists('Item', item_code):
+			make_item(item_code, {
+				'is_stock_item': 1,
+				'is_sub_contracted_item': 1,
+				'stock_uom': 'Nos'
+			})
+
+		if not frappe.db.exists('Item', "Test Extra Item 1"):
+			make_item("Test Extra Item 1", {
+				'is_stock_item': 1,
+				'stock_uom': 'Nos'
+			})
+
+		if not frappe.db.exists('Item', "Test Extra Item 2"):
+			make_item("Test Extra Item 2", {
+				'is_stock_item': 1,
+				'stock_uom': 'Nos'
+			})
+
+		if not frappe.db.exists('Item', "Test Extra Item 3"):
+			make_item("Test Extra Item 3", {
+				'is_stock_item': 1,
+				'stock_uom': 'Nos'
+			})
+		bom = frappe.get_doc({
+			'doctype': 'BOM',
+			'is_default': 1,
+			'item': item_code,
+			'currency': 'USD',
+			'quantity': 1,
+			'company': '_Test Company'
+		})
+
+		for item in ["Test Extra Item 1", "Test Extra Item 2"]:
+			item_doc = frappe.get_doc('Item', item)
+
+			bom.append('items', {
+				'item_code': item,
+				'qty': 1,
+				'uom': item_doc.stock_uom,
+				'stock_uom': item_doc.stock_uom,
+				'rate': item_doc.valuation_rate
+			})
+
+		bom.append('items', {
+			'item_code': "Test Extra Item 3",
+			'qty': 1,
+			'uom': item_doc.stock_uom,
+			'stock_uom': item_doc.stock_uom,
+			'rate': 0,
+			'sourced_by_supplier': 1
+		})
+		bom.insert(ignore_permissions=True)
+		bom.update_cost()
+		bom.submit()
+		# test that sourced_by_supplier rate is zero even after updating cost
+		self.assertEqual(bom.items[2].rate, 0)
+		# test in Purchase Order sourced_by_supplier is not added to Supplied Item
+		po = create_purchase_order(item_code=item_code, qty=1,
+			is_subcontracted="Yes", supplier_warehouse="_Test Warehouse 1 - _TC")
+		bom_items = sorted([d.item_code for d in bom.items if d.sourced_by_supplier != 1])
+		supplied_items = sorted([d.rm_item_code for d in po.supplied_items])
+		self.assertEquals(bom_items, supplied_items)
+
+
 def get_default_bom(item_code="_Test FG Item 2"):
 	return frappe.db.get_value("BOM", {"item": item_code, "is_active": 1, "is_default": 1})
 
diff --git a/erpnext/manufacturing/doctype/bom_explosion_item/bom_explosion_item.json b/erpnext/manufacturing/doctype/bom_explosion_item/bom_explosion_item.json
index 9fadbef..f01d856 100644
--- a/erpnext/manufacturing/doctype/bom_explosion_item/bom_explosion_item.json
+++ b/erpnext/manufacturing/doctype/bom_explosion_item/bom_explosion_item.json
@@ -1,626 +1,181 @@
 {
- "allow_copy": 0, 
- "allow_events_in_timeline": 0, 
- "allow_guest_to_view": 0, 
- "allow_import": 0, 
- "allow_rename": 0, 
- "autoname": "hash", 
- "beta": 0, 
- "creation": "2013-03-07 11:42:57", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "Setup", 
- "editable_grid": 1, 
- "engine": "InnoDB", 
+ "actions": [],
+ "autoname": "hash",
+ "creation": "2013-03-07 11:42:57",
+ "doctype": "DocType",
+ "document_type": "Setup",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "item_code",
+  "item_name",
+  "cb",
+  "source_warehouse",
+  "operation",
+  "section_break_3",
+  "description",
+  "column_break_2",
+  "image",
+  "image_view",
+  "section_break_4",
+  "stock_qty",
+  "rate",
+  "qty_consumed_per_unit",
+  "column_break_8",
+  "stock_uom",
+  "amount",
+  "include_item_in_manufacturing",
+  "sourced_by_supplier"
+ ],
  "fields": [
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "item_code", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 1, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Item Code", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "item_code", 
-   "oldfieldtype": "Link", 
-   "options": "Item", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "item_code",
+   "fieldtype": "Link",
+   "in_global_search": 1,
+   "in_list_view": 1,
+   "label": "Item Code",
+   "oldfieldname": "item_code",
+   "oldfieldtype": "Link",
+   "options": "Item",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "item_name", 
-   "fieldtype": "Data", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 1, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Item Name", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "item_name",
+   "fieldtype": "Data",
+   "in_global_search": 1,
+   "in_list_view": 1,
+   "label": "Item Name",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "cb", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "cb",
+   "fieldtype": "Column Break"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "source_warehouse", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Source Warehouse", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Warehouse", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "source_warehouse",
+   "fieldtype": "Link",
+   "label": "Source Warehouse",
+   "options": "Warehouse",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "operation", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Operation", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Operation", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "operation",
+   "fieldtype": "Link",
+   "label": "Operation",
+   "options": "Operation",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "section_break_3", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "section_break_3",
+   "fieldtype": "Section Break"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "description", 
-   "fieldtype": "Text Editor", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Description", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "description", 
-   "oldfieldtype": "Text", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "300px", 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0, 
+   "fieldname": "description",
+   "fieldtype": "Text Editor",
+   "in_list_view": 1,
+   "label": "Description",
+   "oldfieldname": "description",
+   "oldfieldtype": "Text",
+   "print_width": "300px",
+   "read_only": 1,
    "width": "300px"
-  }, 
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "column_break_2", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "column_break_2",
+   "fieldtype": "Column Break"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "image", 
-   "fieldtype": "Attach", 
-   "hidden": 1, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Image", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 1, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "image",
+   "fieldtype": "Attach",
+   "hidden": 1,
+   "label": "Image",
+   "print_hide": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "image_view", 
-   "fieldtype": "Image", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Image View", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "image", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "image_view",
+   "fieldtype": "Image",
+   "label": "Image View",
+   "options": "image"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "section_break_4", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "section_break_4",
+   "fieldtype": "Section Break"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "stock_qty", 
-   "fieldtype": "Float", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Stock Qty", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "qty", 
-   "oldfieldtype": "Currency", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "stock_qty",
+   "fieldtype": "Float",
+   "in_list_view": 1,
+   "label": "Stock Qty",
+   "oldfieldname": "qty",
+   "oldfieldtype": "Currency",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "rate", 
-   "fieldtype": "Currency", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Rate", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "standard_rate", 
-   "oldfieldtype": "Currency", 
-   "options": "Company:company:default_currency", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "rate",
+   "fieldtype": "Currency",
+   "in_list_view": 1,
+   "label": "Rate",
+   "oldfieldname": "standard_rate",
+   "oldfieldtype": "Currency",
+   "options": "Company:company:default_currency",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "qty_consumed_per_unit", 
-   "fieldtype": "Float", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Qty Consumed Per Unit", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "qty_consumed_per_unit",
+   "fieldtype": "Float",
+   "in_list_view": 1,
+   "label": "Qty Consumed Per Unit",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "column_break_8", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "column_break_8",
+   "fieldtype": "Column Break"
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "stock_uom", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Stock UOM", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "stock_uom", 
-   "oldfieldtype": "Link", 
-   "options": "UOM", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "stock_uom",
+   "fieldtype": "Link",
+   "label": "Stock UOM",
+   "oldfieldname": "stock_uom",
+   "oldfieldtype": "Link",
+   "options": "UOM",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "amount", 
-   "fieldtype": "Currency", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Amount", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "amount_as_per_sr", 
-   "oldfieldtype": "Currency", 
-   "options": "Company:company:default_currency", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "amount",
+   "fieldtype": "Currency",
+   "in_list_view": 1,
+   "label": "Amount",
+   "oldfieldname": "amount_as_per_sr",
+   "oldfieldtype": "Currency",
+   "options": "Company:company:default_currency",
+   "read_only": 1
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "include_item_in_manufacturing", 
-   "fieldtype": "Check", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Include Item In Manufacturing", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 1, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
+   "default": "0",
+   "fieldname": "include_item_in_manufacturing",
+   "fieldtype": "Check",
+   "label": "Include Item In Manufacturing",
+   "read_only": 1
+  },
+  {
+   "default": "0",
+   "fieldname": "sourced_by_supplier",
+   "fieldtype": "Check",
+   "label": "Sourced by Supplier",
+   "read_only": 1
   }
- ], 
- "has_web_view": 0, 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "idx": 1, 
- "image_view": 0, 
- "in_create": 0, 
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 1, 
- "max_attachments": 0, 
- "modified": "2018-11-20 19:04:59.813773", 
- "modified_by": "Administrator", 
- "module": "Manufacturing", 
- "name": "BOM Explosion Item", 
- "owner": "Administrator", 
- "permissions": [], 
- "quick_entry": 0, 
- "read_only": 0, 
- "read_only_onload": 0, 
- "show_name_in_global_search": 0, 
- "track_changes": 1, 
- "track_seen": 0, 
- "track_views": 0
+ ],
+ "idx": 1,
+ "index_web_pages_for_search": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2020-10-08 16:21:29.386212",
+ "modified_by": "Administrator",
+ "module": "Manufacturing",
+ "name": "BOM Explosion Item",
+ "owner": "Administrator",
+ "permissions": [],
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/bom_item/bom_item.json b/erpnext/manufacturing/doctype/bom_item/bom_item.json
index e34be61..4c9877f 100644
--- a/erpnext/manufacturing/doctype/bom_item/bom_item.json
+++ b/erpnext/manufacturing/doctype/bom_item/bom_item.json
@@ -37,7 +37,9 @@
   "section_break_27",
   "has_variants",
   "include_item_in_manufacturing",
-  "original_item"
+  "original_item",
+  "column_break_33",
+  "sourced_by_supplier"
  ],
  "fields": [
   {
@@ -272,12 +274,23 @@
    "no_copy": 1,
    "print_hide": 1,
    "read_only": 1
+  },
+  {
+   "fieldname": "column_break_33",
+   "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "fieldname": "sourced_by_supplier",
+   "fieldtype": "Check",
+   "label": "Sourced by Supplier"
   }
  ],
  "idx": 1,
+ "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2020-04-09 14:30:26.535546",
+ "modified": "2020-10-08 14:19:37.563300",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM Item",