diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
index 2e91c8e..d62e73b 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json
@@ -180,7 +180,7 @@
    "no_copy": 1,
    "oldfieldname": "naming_series",
    "oldfieldtype": "Select",
-   "options": "ACC-PINV-.YYYY.-",
+   "options": "ACC-PINV-.YYYY.-\nACC-PINV-RET-.YYYY.-",
    "print_hide": 1,
    "reqd": 1,
    "set_only_once": 1
@@ -1334,7 +1334,7 @@
  "idx": 204,
  "is_submittable": 1,
  "links": [],
- "modified": "2020-08-03 12:46:01.411074",
+ "modified": "2020-08-03 23:20:04.466153",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Invoice",
@@ -1396,4 +1396,4 @@
  "timeline_field": "supplier",
  "title_field": "title",
  "track_changes": 1
-}
\ No newline at end of file
+}
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
index 4dc81e9..31613e5 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.json
@@ -1,7 +1,6 @@
 {
  "actions": [],
  "allow_import": 1,
- "allow_workflow": 1,
  "autoname": "naming_series:",
  "creation": "2013-05-24 19:29:05",
  "doctype": "DocType",
@@ -217,7 +216,7 @@
    "no_copy": 1,
    "oldfieldname": "naming_series",
    "oldfieldtype": "Select",
-   "options": "ACC-SINV-.YYYY.-",
+   "options": "ACC-SINV-.YYYY.-\nACC-SINV-RET-.YYYY.-",
    "print_hide": 1,
    "reqd": 1,
    "set_only_once": 1
@@ -1947,7 +1946,7 @@
  "idx": 181,
  "is_submittable": 1,
  "links": [],
- "modified": "2020-07-18 05:07:16.725974",
+ "modified": "2020-08-03 23:31:12.675040",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Sales Invoice",
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.json b/erpnext/stock/doctype/delivery_note/delivery_note.json
index 66efcf8..ea385c8 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.json
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.json
@@ -175,7 +175,7 @@
    "no_copy": 1,
    "oldfieldname": "naming_series",
    "oldfieldtype": "Select",
-   "options": "MAT-DN-.YYYY.-",
+   "options": "MAT-DN-.YYYY.-\nMAT-DN-RET-.YYYY.-",
    "print_hide": 1,
    "reqd": 1,
    "set_only_once": 1
@@ -1255,7 +1255,7 @@
  "idx": 146,
  "is_submittable": 1,
  "links": [],
- "modified": "2020-07-18 05:13:55.580420",
+ "modified": "2020-08-03 23:18:47.739997",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Delivery Note",
diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json
index 92e33ca..ce54fc8 100755
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.json
@@ -1,7 +1,6 @@
 {
  "actions": [],
  "allow_import": 1,
- "allow_workflow": 1,
  "autoname": "naming_series:",
  "creation": "2013-05-21 16:16:39",
  "doctype": "DocType",
@@ -160,7 +159,7 @@
    "no_copy": 1,
    "oldfieldname": "naming_series",
    "oldfieldtype": "Select",
-   "options": "MAT-PRE-.YYYY.-",
+   "options": "MAT-PRE-.YYYY.-\nMAT-PR-RET-.YYYY.-",
    "print_hide": 1,
    "reqd": 1,
    "set_only_once": 1
@@ -1110,7 +1109,7 @@
  "idx": 261,
  "is_submittable": 1,
  "links": [],
- "modified": "2020-07-18 05:19:12.148115",
+ "modified": "2020-08-03 23:20:26.381024",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Purchase Receipt",