diff --git a/erpnext/stock/doctype/item/item.js b/erpnext/stock/doctype/item/item.js
index ff01a19..9092176 100644
--- a/erpnext/stock/doctype/item/item.js
+++ b/erpnext/stock/doctype/item/item.js
@@ -170,6 +170,35 @@
 	}
 })
 
+frappe.ui.form.on('Item Customer Detail', {
+	customer_items_add: function(frm, cdt, cdn) {
+		frappe.model.set_value(cdt, cdn, 'customer_group', "");
+	},
+	customer_name: function(frm, cdt, cdn) {
+		set_customer_group(frm, cdt, cdn);
+	},
+	customer_group: function(frm, cdt, cdn) {
+		if(set_customer_group(frm, cdt, cdn)){
+			frappe.msgprint(__("Changing Customer Group for the selected Customer is not allowed."));
+		}
+	}
+});
+
+var set_customer_group = function(frm, cdt, cdn) {
+	var row = frappe.get_doc(cdt, cdn);
+
+	if (!row.customer_name) {
+		return false;
+	}
+
+	frappe.model.with_doc("Customer", row.customer_name, function() {
+		var customer = frappe.model.get_doc("Customer", row.customer_name);
+		row.customer_group = customer.customer_group;
+		refresh_field("customer_group", cdn, "customer_items");
+	});
+	return true;
+}
+
 $.extend(erpnext.item, {
 	setup_queries: function(frm) {
 		frm.fields_dict['expense_account'].get_query = function(doc) {
diff --git a/erpnext/stock/doctype/item/item.json b/erpnext/stock/doctype/item/item.json
index 7ed3755..08fbd33 100644
--- a/erpnext/stock/doctype/item/item.json
+++ b/erpnext/stock/doctype/item/item.json
@@ -44,6 +44,7 @@
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+   "translatable": 0,
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@@ -74,6 +75,7 @@
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@@ -106,6 +108,7 @@
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@@ -232,6 +238,7 @@
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@@ -295,6 +303,7 @@
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    "width": "50%"
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@@ -892,6 +919,7 @@
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@@ -2159,6 +2226,7 @@
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@@ -2221,37 +2290,7 @@
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-   "in_filter": 0,
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@@ -2322,6 +2363,71 @@
    "bold": 0,
    "collapsible": 0,
    "columns": 0,
+   "default": "1",
+   "fieldname": "is_sales_item",
+   "fieldtype": "Check",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
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+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "depends_on": "",
+   "fieldname": "column_break3",
+   "fieldtype": "Column Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
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+   "width": "50%"
+  },
+  {
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+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
    "depends_on": "",
    "fieldname": "selling_cost_center",
    "fieldtype": "Link",
@@ -2345,70 +2451,7 @@
    "reqd": 0,
    "search_index": 0,
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-   "in_filter": 0,
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-   "fieldname": "customer_items",
-   "fieldtype": "Table",
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-   "set_only_once": 0,
+   "translatable": 0,
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@@ -2441,6 +2484,71 @@
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+   "fieldname": "customer_details",
+   "fieldtype": "Section Break",
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+   "in_filter": 0,
+   "in_global_search": 0,
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+   "in_standard_filter": 0,
+   "label": "Customer Details",
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+   "precision": "",
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+   "bold": 0,
+   "collapsible": 0,
+   "columns": 0,
+   "depends_on": "",
+   "description": "",
+   "fieldname": "customer_items",
+   "fieldtype": "Table",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "label": "Customer Items",
+   "length": 0,
+   "no_copy": 0,
+   "options": "Item Customer Detail",
+   "permlevel": 0,
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2472,6 +2580,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2505,6 +2614,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2536,6 +2646,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2569,6 +2680,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2599,6 +2711,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2665,6 +2778,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2698,6 +2812,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2732,6 +2847,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2761,6 +2877,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2790,6 +2907,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2820,6 +2938,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2850,6 +2969,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2881,6 +3001,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2912,6 +3033,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2943,6 +3065,7 @@
    "reqd": 0,
    "search_index": 1,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -2975,6 +3098,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3007,6 +3131,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3037,6 +3162,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3065,6 +3191,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3097,6 +3224,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3129,6 +3257,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3160,6 +3289,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3190,6 +3320,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3221,6 +3352,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3251,6 +3383,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3282,6 +3415,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3314,6 +3448,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3345,6 +3480,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3377,6 +3513,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   },
   {
@@ -3408,6 +3545,7 @@
    "reqd": 0,
    "search_index": 0,
    "set_only_once": 0,
+   "translatable": 0,
    "unique": 0
   }
  ],
@@ -3423,7 +3561,7 @@
  "issingle": 0,
  "istable": 0,
  "max_attachments": 1,
- "modified": "2018-02-12 14:32:48.097249",
+ "modified": "2018-03-06 10:21:48.715529",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Item",
@@ -3595,7 +3733,7 @@
  "read_only_onload": 0,
  "search_fields": "item_name,description,item_group,customer_code",
  "show_name_in_global_search": 1,
- "sort_field": "idx desc, modified desc",
+ "sort_field": "idx desc,modified desc",
  "sort_order": "DESC",
  "title_field": "item_name",
  "track_changes": 1,
diff --git a/erpnext/stock/doctype/item_customer_detail/item_customer_detail.json b/erpnext/stock/doctype/item_customer_detail/item_customer_detail.json
index 46d480e..c0305a9 100644
--- a/erpnext/stock/doctype/item_customer_detail/item_customer_detail.json
+++ b/erpnext/stock/doctype/item_customer_detail/item_customer_detail.json
@@ -1,5 +1,6 @@
 {
  "allow_copy": 0, 
+ "allow_guest_to_view": 0,
  "allow_import": 0, 
  "allow_rename": 0, 
  "autoname": "hash", 
@@ -12,16 +13,20 @@
  "editable_grid": 1, 
  "fields": [
   {
+   "allow_bulk_edit": 0,
    "allow_on_submit": 0, 
    "bold": 1, 
    "collapsible": 0, 
+   "columns": 0,
    "fieldname": "customer_name", 
    "fieldtype": "Link", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 1, 
+   "in_global_search": 0,
    "in_list_view": 1, 
+   "in_standard_filter": 0,
    "label": "Customer Name", 
    "length": 0, 
    "no_copy": 0, 
@@ -33,24 +38,62 @@
    "print_hide_if_no_value": 0, 
    "print_width": "180px", 
    "read_only": 0, 
+   "remember_last_selected_value": 0,
    "report_hide": 0, 
-   "reqd": 1, 
+   "reqd": 0,
    "search_index": 1, 
    "set_only_once": 0, 
+   "translatable": 0,
    "unique": 0, 
    "width": "180px"
   }, 
   {
+   "allow_bulk_edit": 0,
    "allow_on_submit": 0, 
+   "bold": 1,
+   "collapsible": 0,
+   "columns": 0,
+   "fieldname": "customer_group",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_filter": 1,
+   "in_global_search": 0,
+   "in_list_view": 1,
+   "in_standard_filter": 0,
+   "label": "Customer Group",
+   "length": 0,
+   "no_copy": 0,
+   "options": "Customer Group",
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "read_only": 0,
+   "remember_last_selected_value": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "translatable": 0,
+   "unique": 0
+  },
+  {
+   "allow_bulk_edit": 0,
+   "allow_on_submit": 0,
    "bold": 0, 
    "collapsible": 0, 
+   "columns": 0,
    "fieldname": "ref_code", 
    "fieldtype": "Data", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "ignore_xss_filter": 0, 
    "in_filter": 1, 
+   "in_global_search": 0,
    "in_list_view": 1, 
+   "in_standard_filter": 0,
    "label": "Ref Code", 
    "length": 0, 
    "no_copy": 0, 
@@ -61,25 +104,27 @@
    "print_hide_if_no_value": 0, 
    "print_width": "120px", 
    "read_only": 0, 
+   "remember_last_selected_value": 0,
    "report_hide": 0, 
    "reqd": 1, 
    "search_index": 1, 
    "set_only_once": 0, 
+   "translatable": 0,
    "unique": 0, 
    "width": "120px"
   }
  ], 
+ "has_web_view": 0,
  "hide_heading": 0, 
  "hide_toolbar": 0, 
  "idx": 1, 
  "image_view": 0, 
  "in_create": 0, 
- "in_dialog": 0, 
  "is_submittable": 0, 
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2016-07-11 03:28:00.992064", 
+ "modified": "2018-03-08 14:22:38.019369",
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Item Customer Detail", 
@@ -88,5 +133,7 @@
  "quick_entry": 0, 
  "read_only": 0, 
  "read_only_onload": 0, 
+ "show_name_in_global_search": 0,
+ "track_changes": 0,
  "track_seen": 0
 }
\ No newline at end of file
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index 9c26a18..a0f7f43 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -395,8 +395,16 @@
 
 def get_party_item_code(args, item_doc, out):
 	if args.transaction_type=="selling" and args.customer:
+		out.customer_item_code = None
 		customer_item_code = item_doc.get("customer_items", {"customer_name": args.customer})
-		out.customer_item_code = customer_item_code[0].ref_code if customer_item_code else None
+
+		if customer_item_code:
+			out.customer_item_code = customer_item_code[0].ref_code
+		else:
+			customer_group = frappe.db.get_value("Customer", args.customer, "customer_group")
+			customer_group_item_code = item_doc.get("customer_items", {"customer_group": customer_group})
+			if customer_group_item_code and not customer_group_item_code[0].customer_name:
+				out.customer_item_code = customer_group_item_code[0].ref_code
 
 	if args.transaction_type=="buying" and args.supplier:
 		item_supplier = item_doc.get("supplier_items", {"supplier": args.supplier})