add naming series option
diff --git a/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.json b/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.json
index 6d28eac..aabf9de 100644
--- a/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.json
+++ b/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.json
@@ -4,6 +4,7 @@
  "editable_grid": 1,
  "engine": "InnoDB",
  "field_order": [
+  "invoice_series",
   "company",
   "item_code",
   "supplier_group",
@@ -67,9 +68,16 @@
    "fieldtype": "Data",
    "label": "Status",
    "read_only": 1
+  },
+  {
+   "fieldname": "invoice_series",
+   "fieldtype": "Select",
+   "label": "Invoice Series",
+   "options": "ACC-PINV-.YYYY.-",
+   "reqd": 1
   }
  ],
- "modified": "2019-10-16 02:00:00.538268",
+ "modified": "2019-10-19 00:15:11.404733",
  "modified_by": "Administrator",
  "module": "Regional",
  "name": "Import Supplier Invoice",
diff --git a/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.py b/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.py
index 5144be1..dc580ad 100644
--- a/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.py
+++ b/erpnext/regional/doctype/import_supplier_invoice/import_supplier_invoice.py
@@ -158,6 +158,7 @@
 												pin_code = pin_code, country = country)
 
 						pi_name = create_purchase_invoice(company = self.company,
+														naming_series = self.invoice_series,
 														supplier_name = supplier_name,
 														bill_no = invoice_no,
 														document_type = document_type,
@@ -295,7 +296,7 @@
 	pi = frappe.get_doc({
 			"doctype": "Purchase Invoice",
 			"company": args.company,
-			"naming_series": "PINV-",
+			"naming_series": args.naming_series,
 			"supplier": args.supplier_name,
 			"is_return": args.is_return,
 			"posting_date": today(),