diff --git a/erpnext/patches/august_2012/repost_billed_amt.py b/erpnext/patches/august_2012/repost_billed_amt.py
new file mode 100644
index 0000000000..e6b463c157
--- /dev/null
+++ b/erpnext/patches/august_2012/repost_billed_amt.py
@@ -0,0 +1,9 @@
+def execute():
+	import webnotes
+	from webnotes.model.code import get_obj
+	from selling.doctype.sales_common.sales_common import StatusUpdater
+	
+	invoices = webnotes.conn.sql("select name from `tabSales Invoice` where docstatus = 1")
+	for inv in invoices:
+		inv_obj = get_obj('Sales Invoice', inv[0], with_children=1)
+		StatusUpdater(inv_obj, 1).update_all_qty()
\ No newline at end of file
diff --git a/erpnext/patches/patch_list.py b/erpnext/patches/patch_list.py
index 27dedf3387..c7df34c155 100644
--- a/erpnext/patches/patch_list.py
+++ b/erpnext/patches/patch_list.py
@@ -557,4 +557,8 @@ patch_list = [
 		'patch_module': 'patches.august_2012',
 		'patch_file': 'changed_blog_date_format',
 	},
+	{
+		'patch_module': 'patches.august_2012',
+		'patch_file': 'repost_billed_amt',
+	},
 ]
\ No newline at end of file
diff --git a/erpnext/production/doctype/bom/bom.py b/erpnext/production/doctype/bom/bom.py
index 83a3165d51..5f6954f217 100644
--- a/erpnext/production/doctype/bom/bom.py
+++ b/erpnext/production/doctype/bom/bom.py
@@ -198,6 +198,7 @@ class DocType:
 			hour_rate = sql("select hour_rate from `tabWorkstation` where name = %s", cstr(d.workstation))
 			d.hour_rate = hour_rate and flt(hour_rate[0][0]) or 0
 			d.operating_cost = flt(d.hour_rate) * flt(d.time_in_mins) / 60
+			d.save()
 			total_op_cost += d.operating_cost
 		self.doc.operating_cost = total_op_cost
 
@@ -214,6 +215,7 @@ class DocType:
 				d.fields[k] = ret[k]
 
 			d.amount = flt(d.rate) * flt(d.qty)
+			d.save()
 			total_rm_cost += d.amount
 		self.doc.raw_material_cost = total_rm_cost
 
diff --git a/erpnext/selling/doctype/sales_common/sales_common.py b/erpnext/selling/doctype/sales_common/sales_common.py
index bf16253a15..5411a5a04b 100644
--- a/erpnext/selling/doctype/sales_common/sales_common.py
+++ b/erpnext/selling/doctype/sales_common/sales_common.py
@@ -687,14 +687,14 @@ class StatusUpdater:
 			self.validate_qty({
 				'source_dt'		:'Sales Invoice Item',
 				'compare_field'	:'billed_amt',
-				'compare_ref_field'	:'amount',
+				'compare_ref_field'	:'export_amount',
 				'target_dt'		:'Sales Order Item',
 				'join_field'	:'so_detail'
 			})
 			self.validate_qty({
 				'source_dt'		:'Sales Invoice Item',
 				'compare_field'	:'billed_amt',
-				'compare_ref_field'	:'amount',
+				'compare_ref_field'	:'export_amount',
 				'target_dt'		:'Delivery Note Item',
 				'join_field'	:'dn_detail'
 			}, no_tolerance =1)
@@ -734,7 +734,7 @@ class StatusUpdater:
 		tolerance = self.get_tolerance_for(item['item_code'])
 		overflow_percent = ((item[args['compare_field']] - item[args['compare_ref_field']]) / item[args['compare_ref_field']] * 100)
 	
-		if overflow_percent - tolerance > 0.0001:
+		if overflow_percent - tolerance > 0.01:
 			item['max_allowed'] = flt(item[args['compare_ref_field']] * (100+tolerance)/100)
 			item['reduce_by'] = item[args['compare_field']] - item['max_allowed']
 		
@@ -764,18 +764,19 @@ class StatusUpdater:
 				if item:
 					item = item[0]
 					item['idx'] = d.idx
-					item['compare_ref_field'] = args['compare_ref_field']
+					item['compare_ref_field'] = args['compare_ref_field'].replace('_', ' ')
 
 					if not item[args['compare_ref_field']]:
 						msgprint("As %(compare_ref_field)s for item: %(item_code)s in %(parenttype)s: %(parent)s is zero, system will not check over-delivery or over-billed" % item)
 					elif no_tolerance:
 						item['reduce_by'] = item[args['compare_field']] - item[args['compare_ref_field']]
-						msgprint("""
-							Row #%(idx)s: Max %(compare_ref_field)s allowed for <b>Item %(item_code)s</b> against 
-							<b>%(parenttype)s %(parent)s</b> is <b>""" % item 
-							+ cstr(item[args['compare_ref_field']]) + """</b>. 
+						if item['reduce_by'] > .01:
+							msgprint("""
+								Row #%(idx)s: Max %(compare_ref_field)s allowed for <b>Item %(item_code)s</b> against 
+								<b>%(parenttype)s %(parent)s</b> is <b>""" % item 
+								+ cstr(item[args['compare_ref_field']]) + """</b>. 
 							
-							You must reduce the %(compare_ref_field)s by %(reduce_by)s""" % item, raise_exception=1)
+								You must reduce the %(compare_ref_field)s by %(reduce_by)s""" % item, raise_exception=1)
 					
 					else:
 						self.check_overflow_with_tolerance(item, args)
@@ -806,9 +807,9 @@ class StatusUpdater:
 				'target_dt'				:'Sales Order Item',
 				'target_parent_dt'		:'Sales Order',
 				'target_parent_field'	:'per_billed',
-				'target_ref_field'		:'amount',
+				'target_ref_field'		:'export_amount',
 				'source_dt'				:'Sales Invoice Item',
-				'source_field'			:'amount',
+				'source_field'			:'export_amount',
 				'join_field'			:'so_detail',
 				'percent_join_field'	:'sales_order',
 				'status_field'			:'billing_status',
@@ -820,9 +821,9 @@ class StatusUpdater:
 				'target_dt'				:'Delivery Note Item',
 				'target_parent_dt'		:'Delivery Note',
 				'target_parent_field'	:'per_billed',
-				'target_ref_field'		:'amount',
+				'target_ref_field'		:'export_amount',
 				'source_dt'				:'Sales Invoice Item',
-				'source_field'			:'amount',
+				'source_field'			:'export_amount',
 				'join_field'			:'dn_detail',
 				'percent_join_field'	:'delivery_note',
 				'status_field'			:'billing_status',