diff --git a/accounts/report/purchase_register/purchase_register.py b/accounts/report/purchase_register/purchase_register.py
index 12b9316..0a4711f 100644
--- a/accounts/report/purchase_register/purchase_register.py
+++ b/accounts/report/purchase_register/purchase_register.py
@@ -31,7 +31,8 @@
 		return columns, invoice_list
 	
 	invoice_expense_map = get_invoice_expense_map(invoice_list)
-	invoice_expense_map, invoice_tax_map = get_invoice_tax_map(invoice_list, invoice_expense_map)
+	invoice_expense_map, invoice_tax_map = get_invoice_tax_map(invoice_list, 
+		invoice_expense_map, expense_accounts)
 	invoice_po_pr_map = get_invoice_po_pr_map(invoice_list)
 	account_map = get_account_details(invoice_list)
 
@@ -138,15 +139,18 @@
 	
 	return invoice_expense_map
 	
-def get_invoice_tax_map(invoice_list, invoice_expense_map):
+def get_invoice_tax_map(invoice_list, invoice_expense_map, expense_accounts):
 	tax_details = webnotes.conn.sql("""select parent, account_head, sum(tax_amount) as tax_amount
 		from `tabPurchase Taxes and Charges` where parent in (%s) group by parent, account_head""" % 
 		', '.join(['%s']*len(invoice_list)), tuple([inv.name for inv in invoice_list]), as_dict=1)
 	
 	invoice_tax_map = {}
 	for d in tax_details:
-		if d.account_head in invoice_expense_map.get(d.parent):
-			invoice_expense_map[d.parent][d.account_head] += flt(d.tax_amount)
+		if d.account_head in expense_accounts:
+			if invoice_expense_map[d.parent].has_key(d.account_head):
+				invoice_expense_map[d.parent][d.account_head] += flt(d.tax_amount)
+			else:
+				invoice_expense_map[d.parent][d.account_head] = flt(d.tax_amount)
 		else:
 			invoice_tax_map.setdefault(d.parent, webnotes._dict()).setdefault(d.account_head, [])
 			invoice_tax_map[d.parent][d.account_head] = flt(d.tax_amount)
@@ -180,4 +184,4 @@
 		where name in (%s)""" % ", ".join(["%s"]*len(accounts)), tuple(accounts), as_dict=1):
 			account_map[acc.name] = acc.parent_account
 						
-	return account_map	
+	return account_map
\ No newline at end of file
diff --git a/accounts/report/sales_register/sales_register.py b/accounts/report/sales_register/sales_register.py
index 653b5e6..87c5816 100644
--- a/accounts/report/sales_register/sales_register.py
+++ b/accounts/report/sales_register/sales_register.py
@@ -30,7 +30,8 @@
 		return columns, invoice_list
 	
 	invoice_income_map = get_invoice_income_map(invoice_list)
-	invoice_income_map, invoice_tax_map = get_invoice_tax_map(invoice_list, invoice_income_map)
+	invoice_income_map, invoice_tax_map = get_invoice_tax_map(invoice_list, 
+		invoice_income_map, income_accounts)
 	
 	invoice_so_dn_map = get_invoice_so_dn_map(invoice_list)
 	customer_map = get_customer_deatils(invoice_list)
@@ -137,15 +138,18 @@
 	
 	return invoice_income_map
 	
-def get_invoice_tax_map(invoice_list, invoice_income_map):
+def get_invoice_tax_map(invoice_list, invoice_income_map, income_accounts):
 	tax_details = webnotes.conn.sql("""select parent, account_head, sum(tax_amount) as tax_amount
 		from `tabSales Taxes and Charges` where parent in (%s) group by parent, account_head""" % 
 		', '.join(['%s']*len(invoice_list)), tuple([inv.name for inv in invoice_list]), as_dict=1)
 	
 	invoice_tax_map = {}
 	for d in tax_details:
-		if d.account_head in invoice_income_map.get(d.parent):
-			invoice_income_map[d.parent][d.account_head] += flt(d.tax_amount)
+		if d.account_head in income_accounts:
+			if invoice_income_map[d.parent].has_key(d.account_head):
+				invoice_income_map[d.parent][d.account_head] += flt(d.tax_amount)
+			else:
+				invoice_income_map[d.parent][d.account_head] = flt(d.tax_amount)
 		else:
 			invoice_tax_map.setdefault(d.parent, webnotes._dict()).setdefault(d.account_head, [])
 			invoice_tax_map[d.parent][d.account_head] = flt(d.tax_amount)