diff --git a/Modules/Expense/Entities/Expense.php b/Modules/Expense/Entities/Expense.php
index 442b68b3..462b9888 100644
--- a/Modules/Expense/Entities/Expense.php
+++ b/Modules/Expense/Entities/Expense.php
@@ -27,4 +27,8 @@ class Expense extends Model
     public function getAmountAttribute($value) {
         return ($value / 100);
     }
+
+    public function getReferenceAttribute($value) {
+        return strtoupper($value) . '_' . str_pad($this->attributes['id'], 6, '0', STR_PAD_LEFT );
+    }
 }
diff --git a/Modules/Expense/Http/Controllers/ExpenseController.php b/Modules/Expense/Http/Controllers/ExpenseController.php
index 375ca35b..945cafb7 100644
--- a/Modules/Expense/Http/Controllers/ExpenseController.php
+++ b/Modules/Expense/Http/Controllers/ExpenseController.php
@@ -32,7 +32,7 @@ class ExpenseController extends Controller
 
         $request->validate([
             'date' => 'required|date',
-            'reference' => 'required|string|max:255|unique:expenses,reference',
+            'reference' => 'required|string|max:255',
             'category_id' => 'required',
             'amount' => 'required|numeric|max:2147483647',
             'details' => 'nullable|string|max:1000'
@@ -64,7 +64,7 @@ class ExpenseController extends Controller
 
         $request->validate([
             'date' => 'required|date',
-            'reference' => 'required|string|max:255|unique:expenses,reference,' . $expense->id,
+            'reference' => 'required|string|max:255',
             'category_id' => 'required',
             'amount' => 'required|numeric|max:2147483647',
             'details' => 'nullable|string|max:1000'
diff --git a/Modules/Expense/Resources/views/expenses/create.blade.php b/Modules/Expense/Resources/views/expenses/create.blade.php
index ca5a3d96..f0166b1c 100644
--- a/Modules/Expense/Resources/views/expenses/create.blade.php
+++ b/Modules/Expense/Resources/views/expenses/create.blade.php
@@ -28,7 +28,7 @@
                                 <div class="col-lg-6">
                                     <div class="form-group">
                                         <label for="reference">Reference <span class="text-danger">*</span></label>
-                                        <input type="text" class="form-control" name="reference" required>
+                                        <input type="text" class="form-control" name="reference" required readonly value="EXP">
                                     </div>
                                 </div>
                                 <div class="col-lg-6">
diff --git a/Modules/Expense/Resources/views/expenses/edit.blade.php b/Modules/Expense/Resources/views/expenses/edit.blade.php
index 21f1c1e2..700497d3 100644
--- a/Modules/Expense/Resources/views/expenses/edit.blade.php
+++ b/Modules/Expense/Resources/views/expenses/edit.blade.php
@@ -29,7 +29,7 @@
                                 <div class="col-lg-6">
                                     <div class="form-group">
                                         <label for="reference">Reference <span class="text-danger">*</span></label>
-                                        <input type="text" class="form-control" name="reference" required value="{{ $expense->reference }}">
+                                        <input type="text" class="form-control" name="reference" required value="{{ $expense->getAttributes()['reference'] }}" readonly>
                                     </div>
                                 </div>
                                 <div class="col-lg-6">