diff --git a/frappe/models/doctype/NumberSeries/NumberSeries.js b/frappe/models/doctype/NumberSeries/NumberSeries.js
index 379e48ad..ecd85748 100644
--- a/frappe/models/doctype/NumberSeries/NumberSeries.js
+++ b/frappe/models/doctype/NumberSeries/NumberSeries.js
@@ -1,5 +1,18 @@
 const { t } = require('frappe');
 
+const referenceTypeMap = {
+  SalesInvoice: t`Invoice`,
+  PurchaseInvoice: t`Bill`,
+  Payment: t`Payment`,
+  JournalEntry: t`Journal Entry`,
+  Quotation: t`Quotation`,
+  SalesOrder: t`SalesOrder`,
+  Fulfillment: t`Fulfillment`,
+  PurchaseOrder: t`PurchaseOrder`,
+  PurchaseReceipt: t`PurchaseReceipt`,
+  '-': t`None`,
+};
+
 module.exports = {
   name: 'NumberSeries',
   documentClass: require('./NumberSeriesDocument.js'),
@@ -14,11 +27,28 @@ module.exports = {
       fieldtype: 'Data',
       required: 1,
     },
+    {
+      fieldname: 'referenceType',
+      label: t`Reference Type`,
+      fieldtype: 'Select',
+      options: Object.keys(referenceTypeMap),
+      map: referenceTypeMap,
+      default: '-',
+      required: 1,
+    },
+    {
+      fieldname: 'start',
+      label: t`Start`,
+      fieldtype: 'Int',
+      default: 1001,
+      required: 1,
+    },
     {
       fieldname: 'current',
       label: t`Current`,
       fieldtype: 'Int',
       required: 1,
+      readOnly: 1,
     },
   ],
 };