diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
index 680c6a0..90f463a 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
@@ -232,7 +232,6 @@
 	}
 }
 
-//added by sambhaji
 
 
 cur_frm.cscript.is_recurring = function(doc, dt, dn) {
@@ -267,7 +266,7 @@
 	}
 }
 
-//end of added by sambhajii
+
 
 cur_frm.cscript.select_print_heading = function(doc,cdt,cdn){
 	if(doc.select_print_heading){
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
index ea3eb8a..e29d3d9 100755
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
@@ -800,6 +800,7 @@
   }, 
   {
    "allow_on_submit": 1, 
+   "depends_on": "eval:doc.is_recurring==1", 
    "description": "Select the period when the invoice will be generated automatically", 
    "fieldname": "recurring_type", 
    "fieldtype": "Select", 
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 7d35f41..77c7ea9 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -265,11 +265,11 @@
 		self.update_against_document_in_jv()
 		self.update_prevdoc_status()
 		self.update_billing_status_for_zero_amount_refdoc("Purchase Order")
-		convert_to_recurring(self, "RECINV.#####", self.posting_date)
+		convert_to_recurring(self, "RECPI.#####", self.posting_date)
 
 	def on_update_after_submit(self):
 		validate_recurring_document(self)
-		convert_to_recurring(self, "RECINV.#####", self.posting_date)
+		convert_to_recurring(self, "RECPI.#####", self.posting_date)
 
 	def make_gl_entries(self):
 		auto_accounting_for_stock = \
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.js b/erpnext/buying/doctype/purchase_order/purchase_order.js
index 071d622..5495845 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.js
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.js
@@ -205,7 +205,7 @@
 		cur_frm.email_doc(frappe.boot.notification_settings.purchase_order_message);
 	}
 }
-//added by sambhaji
+
 
 cur_frm.cscript.is_recurring = function(doc, dt, dn) {
 	// set default values for recurring orders
@@ -238,7 +238,7 @@
 	}
 }
 
-//end of added by sambhaji
+
 cur_frm.cscript.send_sms = function() {
 	frappe.require("assets/erpnext/js/sms_manager.js");
 	var sms_man = new SMSManager(cur_frm.doc);
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index beebf0b..66083be 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -179,7 +179,7 @@
 
 		frappe.db.set(self,'status','Submitted')
 		
-		convert_to_recurring(self, "SO/REC/.#####", self.transaction_date)
+		convert_to_recurring(self, "SO/REP/.#####", self.transaction_date)
 
 	def on_cancel(self):
 		pc_obj = frappe.get_doc('Purchase Common')
@@ -204,9 +204,9 @@
 	def on_update(self):
 		pass
 
-def on_update_after_submit(self):
+	def on_update_after_submit(self):
 		validate_recurring_document(self)
-		convert_to_recurring(self, "SO/REC/.#####", self.transaction_date)
+		convert_to_recurring(self, "SO/REP/.#####", self.transaction_date)
 
 def set_missing_values(source, target):
 	target.ignore_pricing_rule = 1
diff --git a/erpnext/controllers/tests/test_recurring_document.py b/erpnext/controllers/tests/test_recurring_document.py
index 0e7cb1bc..1051082 100644
--- a/erpnext/controllers/tests/test_recurring_document.py
+++ b/erpnext/controllers/tests/test_recurring_document.py
@@ -41,6 +41,20 @@
 		date_field = "transaction_date"
 	elif base_doc.doctype == "Sales Invoice":
 		date_field = "posting_date"
+	#for Purchase order/purchase invoice
+	if base_doc.doctype == "Purchase Order":
+		base_doc.update({
+			"transaction_date": today
+		})
+	elif base_doc.doctype == "Purchase Invoice":
+		base_doc.update({
+			"posting_date": today
+		})
+
+	if base_doc.doctype == "Purchase Order":
+		date_field = "transaction_date"
+	elif base_doc.doctype == "Purchase Invoice":
+		date_field = "posting_date"
 
 	# monthly
 	doc1 = frappe.copy_doc(base_doc)