fixes in sales invoice
diff --git a/accounts/doctype/sales_invoice/sales_invoice.py b/accounts/doctype/sales_invoice/sales_invoice.py
index 65f23f5..4c40525 100644
--- a/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/accounts/doctype/sales_invoice/sales_invoice.py
@@ -650,15 +650,16 @@
 	
 		# tax table gl entries
 		for tax in self.doclist.get({"parentfield": "other_charges"}):
-			gl_entries.append(
-				self.get_gl_dict({
-					"account": tax.account_head,
-					"against": self.doc.debit_to,
-					"credit": flt(tax.tax_amount),
-					"remarks": self.doc.remarks,
-					"cost_center": tax.cost_center_other_charges
-				}, is_cancel)
-			)
+			if flt(tax.tax_amount):
+				gl_entries.append(
+					self.get_gl_dict({
+						"account": tax.account_head,
+						"against": self.doc.debit_to,
+						"credit": flt(tax.tax_amount),
+						"remarks": self.doc.remarks,
+						"cost_center": tax.cost_center_other_charges
+					}, is_cancel)
+				)
 		
 		# item gl entries
 		for item in getlist(self.doclist, 'entries'):
diff --git a/selling/doctype/quotation/quotation.js b/selling/doctype/quotation/quotation.js
index 2112ac8..a4d8ee6 100644
--- a/selling/doctype/quotation/quotation.js
+++ b/selling/doctype/quotation/quotation.js
@@ -80,7 +80,6 @@
 // REFRESH
 // ===================================================================================
 cur_frm.cscript.refresh = function(doc, cdt, cdn) {
-
 	cur_frm.clear_custom_buttons();
 
 	if (!cur_frm.cscript.is_onload) cur_frm.cscript.hide_price_list_currency(doc, cdt, cdn); 
@@ -119,7 +118,7 @@
 		'get_default_customer_address', '', callback);
 	if(doc.customer) unhide_field(['customer_address','contact_person','territory', 'customer_group']);
 	cur_frm.toggle_display("contact_section", doc.customer || doc.lead);
-	
+		console.log(doc.customer_group);
 }
 
 cur_frm.cscript.customer_address = cur_frm.cscript.contact_person = function(doc,dt,dn) {