diff --git a/config-sample.py b/config-sample.py
index 67eed04..986218e 100644
--- a/config-sample.py
+++ b/config-sample.py
@@ -17,3 +17,15 @@ userpass_b64 = base64.b64encode((ob_user+':'+ob_pass).encode('ascii')).decode('a
 # the line below to match the 'Search Key' of that specific product:
 # comment_product = 'search-key-of-your-comment-product'
 comment_product = 'Comment/Note'
+gst_rate = "9"
+
+indentation = "    "
+
+xml_header = '<?xml version="1.0" encoding="UTF-8"?>'
+
+xmlns_header = 'xmlns="urn:oasis:names:specification:ubl:schema:xsd:Invoice-2" xmlns:cac="urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2" xmlns:cbc="urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2" xmlns:ccts="urn:un:unece:uncefact:documentation:2" xmlns:ext="urn:oasis:names:specification:ubl:schema:xsd:CommonExtensionComponents-2" xmlns:qdt="urn:oasis:names:specification:ubl:schema:xsd:QualifiedDatatypes-2" xmlns:udt="urn:un:unece:uncefact:data:specification:UnqualifiedDataTypesSchemaModule:2" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'
+
+CustomizationID = '<cbc:CustomizationID>urn:peppol:pint:billing-1@sg-1</cbc:CustomizationID>'
+ProfileID = '<cbc:ProfileID>urn:peppol:pint:billing-1@sg-1</cbc:ProfileID>'
+InvoiceTypeCode = '<cbc:InvoiceTypeCode>380</cbc:InvoiceTypeCode>'
+PeppolID = 'SGUEN200212345Z'
diff --git a/extract_invoice.py b/extract_invoice.py
new file mode 100644
index 0000000..2e63b85
--- /dev/null
+++ b/extract_invoice.py
@@ -0,0 +1,104 @@
+import requests
+from requests_oauthlib import OAuth2Session
+import json
+import sys
+import webbrowser
+from config import *
+#from cachehandler import CacheHandler
+#from authhandler import AuthHandler
+#from api import OpenbravoToBanqupAPI
+from datetime import timedelta, date
+
+def extract_invoice(document):
+
+	url = ob_api_url+"Invoice?_where=documentNo='"+document+"'&_noActiveFilter=false"
+
+	payload = {}
+	headers = {
+	  'Authorization': 'Basic '+userpass_b64
+	}
+
+	response = requests.request("GET", url, headers=headers, data=payload) #extracts invoice header
+
+	print(response.text)
+	invoice = json.loads(response.text)
+	#print (invoice['response']['data'][0]['businessPartner'])
+	uuid = invoice['response']['data'][0]['id']
+	uuid = uuid[:8]+'-'+uuid[8:12]+'-'+uuid[12:16]+'-'+uuid[16:20]+'-'+uuid[20:32]
+	print(uuid)
+	lastCalculatedOnDate = invoice['response']['data'][0]['lastCalculatedOnDate']
+	daysTillDue = invoice['response']['data'][0]['daysTillDue']
+	dueDate = date(int(lastCalculatedOnDate[0:4]), int(lastCalculatedOnDate[5:7]), int(lastCalculatedOnDate[8:10])) + timedelta(days=daysTillDue)
+
+
+	businessPartner=invoice['response']['data'][0]['businessPartner']
+
+
+	url = ob_api_url+"InvoiceLine?_where=invoice='"+invoice['response']['data'][0]['id']+"'&_noActiveFilter=false&_sortBy=lineNo"
+
+	response = requests.request("GET", url, headers=headers, data=payload) #extracts invoice lines
+	#print(response.text)
+	lines = json.loads(response.text)['response']['data']
+	lines_json = json.dumps(lines)
+	#print(lines_json)
+	lines = json.loads(lines_json)
+	lines_output = '['
+	first_line = True
+	for key in lines:
+		#print (key)
+		linetemp_json = json.dumps(key)
+		linetemp = json.loads(linetemp_json)
+		if linetemp['product'] != None:
+			if not first_line:
+				lines_output = lines_output+','
+			first_line = False
+			url = ob_api_url+"Product?_where=id='"+linetemp['product']+"'&_noActiveFilter=false"
+			response = requests.request("GET", url, headers=headers, data=payload) #extracts product from master
+			product = json.loads(response.text)['response']['data'][0]['searchKey']
+			if product != comment_product:
+				lines_output = lines_output + '{"service_name": "'+product+'","service_description": "'+linetemp['product$_identifier']+'","service_quantity": '+str(linetemp['invoicedQuantity'])+',"service_price": '+str(linetemp['unitPrice'])+',"service_vat": '+gst_rate+'}'
+			else:
+				lines_output = lines_output + '{"service_name": "'+product+'","service_description": "'+linetemp['description']+'","service_quantity": '+str(linetemp['invoicedQuantity'])+',"service_price": '+str(linetemp['unitPrice'])+',"service_vat": '+gst_rate+'}'
+	lines_output = lines_output+']'
+	print(lines_output)
+	
+	ubloutput = xml_header+'\n'+'<Invoice '+xmlns_header+'>\n'
+	ubloutput = ubloutput+indentation+CustomizationID+'\n'
+	ubloutput = ubloutput+indentation+ProfileID+'\n'
+	ubloutput = ubloutput+indentation+InvoiceTypeCode+'\n'
+	ubloutput = ubloutput+indentation+'<cbc:ID>'+invoice['response']['data'][0]['documentNo']+'</cbc:ID>'+'\n'
+	ubloutput = ubloutput+indentation+'<cbc:IssueDate>'+invoice['response']['data'][0]['invoiceDate']+'</cbc:IssueDate>'+'\n'
+	ubloutput = ubloutput+indentation+'<cbc:DocumentCurrencyCode>'+invoice['response']['data'][0]['currency$_identifier']+'</cbc:DocumentCurrencyCode>'+'\n'
+	ubloutput = ubloutput+indentation+'<cac:AccountingSupplierParty>'+'\n'
+	ubloutput = ubloutput+indentation+indentation+'<cac:Party>'+'\n'
+	ubloutput = ubloutput+indentation+indentation+indentation+'<cbc:EndpointID schemeID="0195">'+PeppolID+'</cbc:EndpointID>'+'\n'
+	
+	
+	ubloutput = ubloutput+indentation+indentation+'</cac:Party>'+'\n'
+	ubloutput = ubloutput+indentation+'</cac:AccountingSupplierParty>'+'\n'
+	
+	print(ubloutput)
+
+
+
+
+
+
+	payload = json.dumps({
+	    "sales_invoice_number": invoice['response']['data'][0]['documentNo'],
+	    "sales_invoice_date": invoice['response']['data'][0]['invoiceDate']+"T00:00:00Z",
+	    "sales_invoice_due_date": str(dueDate)+"T00:00:00Z",
+	    "currency_code": invoice['response']['data'][0]['currency$_identifier'],
+	    "invoice_lines": json.loads(lines_output, strict=False),
+	    "po_number": "NA",
+	    "buyer_reference": "NA",
+	    "customer_reference": "NA",
+	    "supplier_reference": "NA",
+	    "contract_number": "NA"
+	})
+	print(payload)
+
+
+
+if __name__ == '__main__':
+	extract_invoice(str(sys.argv[1]))