[Fix] Employee mandatory validation issue
diff --git a/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.js b/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.js
index b31bf0e..23d158c 100644
--- a/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.js
+++ b/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.js
@@ -11,14 +11,20 @@
 			}
 		});
 		frm.set_query('payroll_period', function() {
-			if(frm.doc.employee && frm.doc.company){
+			const fields = {'employee': 'Employee', 'company': 'Company'};
+
+			for (let [field, label] of Object.entries(fields)) {
+				if (!frm.doc[field]) {
+					frappe.msgprint(__("Please select {0}", [label]))
+				}
+			};
+
+			if (frm.doc.employee && frm.doc.company){
 				return {
 					filters: {
 						'company': frm.doc.company
 					}
 				}
-			}else {
-				frappe.msgprint(__("Please select Employee"));
 			}
 		});
 		frm.set_query('exemption_sub_category', 'declarations', function() {
diff --git a/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.json b/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.json
index 3c361ee..9dee848 100644
--- a/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.json
+++ b/erpnext/hr/doctype/employee_tax_exemption_declaration/employee_tax_exemption_declaration.json
@@ -42,6 +42,7 @@
    "reqd": 1, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }, 
   {
@@ -67,12 +68,13 @@
    "precision": "", 
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
-   "read_only": 1, 
+   "read_only": 0, 
    "remember_last_selected_value": 0, 
    "report_hide": 0, 
    "reqd": 0, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }, 
   {
@@ -102,6 +104,7 @@
    "reqd": 0, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }, 
   {
@@ -133,6 +136,7 @@
    "reqd": 1, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }, 
   {
@@ -163,6 +167,7 @@
    "reqd": 0, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }, 
   {
@@ -192,6 +197,7 @@
    "reqd": 0, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }, 
   {
@@ -223,6 +229,7 @@
    "reqd": 1, 
    "search_index": 0, 
    "set_only_once": 0, 
+   "translatable": 0, 
    "unique": 0
   }
  ], 
@@ -236,7 +243,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2018-05-10 13:26:25.241545", 
+ "modified": "2018-05-15 16:16:46.075493", 
  "modified_by": "Administrator", 
  "module": "HR", 
  "name": "Employee Tax Exemption Declaration", 
@@ -245,7 +252,6 @@
  "permissions": [
   {
    "amend": 1, 
-   "apply_user_permissions": 0, 
    "cancel": 1, 
    "create": 1, 
    "delete": 1, 
@@ -265,7 +271,6 @@
   }, 
   {
    "amend": 1, 
-   "apply_user_permissions": 0, 
    "cancel": 1, 
    "create": 1, 
    "delete": 1, 
@@ -285,7 +290,6 @@
   }, 
   {
    "amend": 1, 
-   "apply_user_permissions": 0, 
    "cancel": 1, 
    "create": 1, 
    "delete": 1, 
@@ -305,7 +309,6 @@
   }, 
   {
    "amend": 1, 
-   "apply_user_permissions": 0, 
    "cancel": 1, 
    "create": 1, 
    "delete": 1,