diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index 4c05b94..260c05e 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -12,6 +12,7 @@
  "doctype": "DocType", 
  "document_type": "", 
  "editable_grid": 0, 
+ "engine": "InnoDB", 
  "fields": [
   {
    "allow_bulk_edit": 0, 
@@ -1927,7 +1928,7 @@
    "in_global_search": 0, 
    "in_list_view": 0, 
    "in_standard_filter": 0, 
-   "label": "Item-wise Tax Breakup", 
+   "label": "Tax Breakup", 
    "length": 0, 
    "no_copy": 0, 
    "permlevel": 0, 
@@ -4687,7 +4688,7 @@
  "istable": 0, 
  "max_attachments": 0, 
  "menu_index": 0, 
- "modified": "2017-07-04 17:11:09.477003", 
+ "modified": "2017-07-07 13:05:37.469682", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Sales Invoice", 
diff --git a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
index 22485e9..6f1c2c9 100644
--- a/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py
@@ -1116,7 +1116,7 @@
 		})
 		si.insert()
 		
-		tax_breakup_html = '''\n<div class="tax-break-up" style="overflow-x: auto;">\n\t<table class="table table-bordered table-hover">\n\t\t<thead><tr><th class="text-left" style="min-width: 120px;">Item Name</th>\n<th class="text-right" style="min-width: 80px;">Taxable Amount</th>\n<th class="text-right" style="min-width: 80px;">_Test Account Service Tax - _TC</th></tr></thead>\n\t\t<tbody><tr><td>_Test Item</td><td class="text-right">\u20b9 5,000.00</td><td class="text-right">(10.0%) \u20b9 500.00</td></tr></tbody>\n\t</table>\n</div>'''
+		tax_breakup_html = '''\n<div class="tax-break-up" style="overflow-x: auto;">\n\t<table class="table table-bordered table-hover">\n\t\t<thead><tr><th class="text-left" style="min-width: 120px;">Item Name</th><th class="text-right" style="min-width: 80px;">Taxable Amount</th><th class="text-right" style="min-width: 80px;">_Test Account Service Tax - _TC</th></tr></thead>\n\t\t<tbody><tr><td>_Test Item</td><td class="text-right">\u20b9 5,000.00</td><td class="text-right">(10.0%) \u20b9 500.00</td></tr></tbody>\n\t</table>\n</div>'''
 		
 		self.assertEqual(si.other_charges_calculation, tax_breakup_html)
 		
diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index 8c07120..8eb83af 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -531,8 +531,8 @@
 		<tbody>{rows}</tbody>
 	</table>
 </div>'''.format(**{
-	"headings": "\n".join(headings),
-	"rows": "\n".join(rows)
+	"headings": "".join(headings),
+	"rows": "".join(rows)
 })
 
 	def get_item_tax(self, item_tax, tax_accounts, company_currency):
@@ -605,7 +605,7 @@
 		rows.append("<tr><td>{item_name}</td><td class='text-right'>{taxable_amount}</td>{taxes}</tr>".format(**{
 			"item_name": item.item_name,
 			"taxable_amount": fmt_money(item.net_amount, item.precision("net_amount"), company_currency),
-			"taxes": "\n".join(taxes)
+			"taxes": "".join(taxes)
 		}))
 		
 	return rows
\ No newline at end of file
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 0cf0f7b..80d64e8 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -413,4 +413,5 @@
 erpnext.patches.v8_1.removed_roles_from_gst_report_non_indian_account
 erpnext.patches.v8_1.gst_fixes #2017-07-06
 erpnext.patches.v8_0.update_production_orders
-erpnext.patches.v8_1.remove_sales_invoice_from_returned_serial_no
\ No newline at end of file
+erpnext.patches.v8_1.remove_sales_invoice_from_returned_serial_no
+erpnext.patches.v8_1.allow_invoice_copy_to_edit_after_submit
\ No newline at end of file
diff --git a/erpnext/patches/v8_1/gst_fixes.py b/erpnext/patches/v8_1/gst_fixes.py
index 1d3a380..b47879c 100644
--- a/erpnext/patches/v8_1/gst_fixes.py
+++ b/erpnext/patches/v8_1/gst_fixes.py
@@ -44,7 +44,7 @@
 		],
 		'Sales Invoice': [
 			dict(fieldname='invoice_copy', label='Invoice Copy',
-				fieldtype='Select', insert_after='project', print_hide=1,
+				fieldtype='Select', insert_after='project', print_hide=1, allow_on_submit=1,
 				options='ORIGINAL FOR RECIPIENT\nDUPLICATE FOR TRANSPORTER\nTRIPLICATE FOR SUPPLIER'),
 		],
 		'Sales Order Item': [hsn_sac_field],
diff --git a/erpnext/public/js/controllers/taxes_and_totals.js b/erpnext/public/js/controllers/taxes_and_totals.js
index 075b2d0..e917a75 100644
--- a/erpnext/public/js/controllers/taxes_and_totals.js
+++ b/erpnext/public/js/controllers/taxes_and_totals.js
@@ -689,7 +689,7 @@
 					return '<th style="min-width: 80px;" class="text-right">' + (head || "") + "</th>";
 				}	
 			}
-		).join("\n");
+		).join("");
 
 		var distinct_item_names = [];
 		var distinct_items = [];
@@ -711,9 +711,9 @@
 					return item_tax_record[head[0]] ?
 						"<td class='text-right'>(" + item_tax_record[head[0]][0] + ") " + item_tax_record[head[0]][1] + "</td>" :
 						"<td></td>";
-				}).join("\n")
+				}).join("")
 			});
-		}).join("\n");
+		}).join("");
 
 		if(!rows) return "";
 		return '<div class="tax-break-up" style="overflow-x: auto;">\
diff --git a/erpnext/regional/india/__init__.py b/erpnext/regional/india/__init__.py
index 0b1b163..9a6c376 100644
--- a/erpnext/regional/india/__init__.py
+++ b/erpnext/regional/india/__init__.py
@@ -72,5 +72,5 @@
  "Tripura": "16",
  "Uttar Pradesh": "35",
  "Uttarakhand": "36",
- "West Bengal": "37"
+ "West Bengal": "19"
 }
\ No newline at end of file
diff --git a/erpnext/regional/india/gst_state_code_data.json b/erpnext/regional/india/gst_state_code_data.json
index 89dc193..196f8d0 100644
--- a/erpnext/regional/india/gst_state_code_data.json
+++ b/erpnext/regional/india/gst_state_code_data.json
@@ -15,7 +15,7 @@
   "state_name": "Uttarakhand"
  },
  {
-  "state_number": "37",
+  "state_number": "19",
   "state_code": "WB",
   "state_name": "West Bengal"
  },
diff --git a/erpnext/regional/india/setup.py b/erpnext/regional/india/setup.py
index f547b82..0aefc7b 100644
--- a/erpnext/regional/india/setup.py
+++ b/erpnext/regional/india/setup.py
@@ -102,7 +102,7 @@
 				fieldtype='Data', insert_after='company_address',
 				options='company_address.gstin', print_hide=1),
 			dict(fieldname='invoice_copy', label='Invoice Copy',
-				fieldtype='Select', insert_after='project', print_hide=1,
+				fieldtype='Select', insert_after='project', print_hide=1, allow_on_submit=1,
 				options='ORIGINAL FOR RECIPIENT\nDUPLICATE FOR TRANSPORTER\nTRIPLICATE FOR SUPPLIER')
 		],
 		'Item': [
diff --git a/erpnext/regional/print_format/gst_tax_invoice/gst_tax_invoice.json b/erpnext/regional/print_format/gst_tax_invoice/gst_tax_invoice.json
index b2deda9..3850847 100644
--- a/erpnext/regional/print_format/gst_tax_invoice/gst_tax_invoice.json
+++ b/erpnext/regional/print_format/gst_tax_invoice/gst_tax_invoice.json
@@ -7,10 +7,10 @@
  "docstatus": 0, 
  "doctype": "Print Format", 
  "font": "Default", 
- "format_data": "[{\"fieldname\": \"print_heading_template\", \"fieldtype\": \"Custom HTML\", \"options\": \"<div class=\\\"print-heading\\\">\\n\\t<h2>\\n\\t\\tSALES INVOICE<br>\\n\\t\\t<small>{{ doc.name }}</small>\\n\\t</h2>\\n</div>\\n<h2 class=\\\"text-center\\\">\\n\\t{% if doc.invoice_copy -%}\\n\\t\\t<small>{{ doc.invoice_copy }}</small>\\n\\t{% endif -%}\\n</h2>\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"company\", \"label\": \"Company\"}, {\"print_hide\": 0, \"fieldname\": \"company_address_display\", \"label\": \"Company Address\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"posting_date\", \"label\": \"Date\"}, {\"print_hide\": 0, \"fieldname\": \"due_date\", \"label\": \"Payment Due Date\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"options\": \"<hr>\", \"fieldname\": \"_custom_html\", \"fieldtype\": \"HTML\", \"label\": \"Custom HTML\"}, {\"fieldtype\": \"Section Break\", \"label\": \"Address\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"customer_name\", \"label\": \"Customer Name\"}, {\"print_hide\": 0, \"fieldname\": \"address_display\", \"label\": \"Address\"}, {\"print_hide\": 0, \"fieldname\": \"contact_display\", \"label\": \"Contact\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"shipping_address\", \"label\": \"Shipping Address\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"visible_columns\": [{\"print_hide\": 0, \"fieldname\": \"item_code\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"description\", \"print_width\": \"200px\"}, {\"print_hide\": 0, \"fieldname\": \"gst_hsn_code\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"qty\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"uom\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"rate\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"amount\", \"print_width\": \"\"}], \"print_hide\": 0, \"fieldname\": \"items\", \"label\": \"Items\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"total\", \"label\": \"Total\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"visible_columns\": [{\"print_hide\": 0, \"fieldname\": \"description\", \"print_width\": \"300px\"}], \"print_hide\": 0, \"fieldname\": \"taxes\", \"label\": \"Sales Taxes and Charges\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"grand_total\", \"label\": \"Grand Total\"}, {\"print_hide\": 0, \"fieldname\": \"rounded_total\", \"label\": \"Rounded Total\"}, {\"print_hide\": 0, \"fieldname\": \"in_words\", \"label\": \"In Words\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"other_charges_calculation\", \"align\": \"left\", \"label\": \"Item-wise Tax Breakup\"}, {\"fieldtype\": \"Section Break\", \"label\": \"Terms\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"terms\", \"label\": \"Terms and Conditions Details\"}]", 
+ "format_data": "[{\"fieldname\": \"print_heading_template\", \"fieldtype\": \"Custom HTML\", \"options\": \"<div class=\\\"print-heading\\\">\\n\\t<h2>\\n\\t\\tTAX INVOICE<br>\\n\\t\\t<small>{{ doc.name }}</small>\\n\\t</h2>\\n</div>\\n<h2 class=\\\"text-center\\\">\\n\\t{% if doc.invoice_copy -%}\\n\\t\\t<small>{{ doc.invoice_copy }}</small>\\n\\t{% endif -%}\\n</h2>\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"company\", \"label\": \"Company\"}, {\"print_hide\": 0, \"fieldname\": \"company_address_display\", \"label\": \"Company Address\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"posting_date\", \"label\": \"Date\"}, {\"print_hide\": 0, \"fieldname\": \"due_date\", \"label\": \"Payment Due Date\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"options\": \"<hr>\", \"fieldname\": \"_custom_html\", \"fieldtype\": \"HTML\", \"label\": \"Custom HTML\"}, {\"fieldtype\": \"Section Break\", \"label\": \"Address\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"customer_name\", \"label\": \"Customer Name\"}, {\"print_hide\": 0, \"fieldname\": \"address_display\", \"label\": \"Address\"}, {\"print_hide\": 0, \"fieldname\": \"contact_display\", \"label\": \"Contact\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"shipping_address\", \"label\": \"Shipping Address\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"visible_columns\": [{\"print_hide\": 0, \"fieldname\": \"item_code\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"description\", \"print_width\": \"200px\"}, {\"print_hide\": 0, \"fieldname\": \"gst_hsn_code\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"qty\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"uom\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"rate\", \"print_width\": \"\"}, {\"print_hide\": 0, \"fieldname\": \"amount\", \"print_width\": \"\"}], \"print_hide\": 0, \"fieldname\": \"items\", \"label\": \"Items\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"total\", \"label\": \"Total\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"visible_columns\": [{\"print_hide\": 0, \"fieldname\": \"description\", \"print_width\": \"300px\"}], \"print_hide\": 0, \"fieldname\": \"taxes\", \"label\": \"Sales Taxes and Charges\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"grand_total\", \"label\": \"Grand Total\"}, {\"print_hide\": 0, \"fieldname\": \"rounded_total\", \"label\": \"Rounded Total\"}, {\"print_hide\": 0, \"fieldname\": \"in_words\", \"label\": \"In Words\"}, {\"fieldtype\": \"Section Break\", \"label\": \"\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"other_charges_calculation\", \"align\": \"left\", \"label\": \"Tax Breakup\"}, {\"fieldtype\": \"Section Break\", \"label\": \"Terms\"}, {\"fieldtype\": \"Column Break\"}, {\"print_hide\": 0, \"fieldname\": \"terms\", \"label\": \"Terms and Conditions Details\"}]", 
  "idx": 0, 
  "line_breaks": 0, 
- "modified": "2017-07-06 17:47:38.279783", 
+ "modified": "2017-07-07 13:06:20.042807", 
  "modified_by": "Administrator", 
  "module": "Regional", 
  "name": "GST Tax Invoice",