diff --git a/config-sample.py b/config-sample.py
index 4f4d8b4..d421eae 100644
--- a/config-sample.py
+++ b/config-sample.py
@@ -9,6 +9,7 @@ userpass_b64 = "cm9ib3RhcGk6S2kxMzAxa28j"
 # Banqup API parameters
 banqup_client_id = "73223"
 banqup_platform_id = 15
+gst_rate = "8"
 bq_client_id = "your-client-id-here"
 bq_client_secret = "your-secret-here"
 bq_base_url = "https://v4-api.platform.eu.banqup.com/v4"
diff --git a/extract_invoice.py b/extract_invoice.py
index bb9de73..bcebdcb 100644
--- a/extract_invoice.py
+++ b/extract_invoice.py
@@ -64,7 +64,7 @@ def extract_invoice(document):
 			if not first_line:
 				lines_output = lines_output+','
 			first_line = False
-			lines_output = lines_output + '{"service_name": "","service_description": "'+linetemp['product$_identifier']+'","service_quantity": '+str(linetemp['invoicedQuantity'])+',"service_price": '+str(linetemp['unitPrice'])+',"service_vat": '+'8'+'}'
+			lines_output = lines_output + '{"service_name": "","service_description": "'+linetemp['product$_identifier']+'","service_quantity": '+str(linetemp['invoicedQuantity'])+',"service_price": '+str(linetemp['unitPrice'])+',"service_vat": '+gst_rate+'}'
 	lines_output = lines_output+']'
 	#print(lines_output)