diff --git a/add_expense_modal.php b/add_expense_modal.php
index de2bf313..34644435 100644
--- a/add_expense_modal.php
+++ b/add_expense_modal.php
@@ -115,6 +115,10 @@
             <label>Description</label>
             <textarea class="form-control" rows="4" name="description" required></textarea>
           </div>
+          <div class="form-group">
+            <label>Reference</label>
+            <input type="text" class="form-control" name="reference">
+          </div>
           <div class="form-group">
             <label>Receipt</label>
             <input type="file" class="form-control-file" name="file">
diff --git a/add_payment_modal.php b/add_payment_modal.php
index 35572fc6..8732f154 100644
--- a/add_payment_modal.php
+++ b/add_payment_modal.php
@@ -90,6 +90,10 @@
               </div>
             </div>
           </div>
+          <div class="form-group">
+            <label>Reference</label>
+            <input type="text" class="form-control" name="reference">
+          </div>
           <div class="custom-control custom-checkbox">
             <input type="checkbox" class="custom-control-input" id="customControlAutosizing" name="email_receipt" value="1" >
             <label class="custom-control-label" for="customControlAutosizing">Email Reciept</label>
diff --git a/edit_expense_modal.php b/edit_expense_modal.php
index cd174dd2..5c0be4b6 100644
--- a/edit_expense_modal.php
+++ b/edit_expense_modal.php
@@ -113,6 +113,10 @@
             <label>Description</label>
             <textarea class="form-control" rows="4" name="description" required><?php echo $expense_description; ?></textarea>
           </div>
+          <div class="form-group">
+            <label>Reference</label>
+            <input type="text" class="form-control" name="reference" value="<?php echo $expense_reference; ?>">
+          </div>
           <div class="form-group">
             <label>Receipt</label>
             <input type="file" class="form-control-file" name="file">
diff --git a/expenses.php b/expenses.php
index f2289a71..1aecc202 100644
--- a/expenses.php
+++ b/expenses.php
@@ -37,6 +37,7 @@
             $expense_amount = $row['expense_amount'];
             $expense_description = $row['expense_description'];
             $expense_receipt = $row['expense_receipt'];
+            $expense_reference = $row['expense_reference'];
             $vendor_id = $row['vendor_id'];
             $vendor_name = $row['vendor_name'];
             $category_id = $row['category_id'];
diff --git a/post.php b/post.php
index f197de30..4eb91bab 100644
--- a/post.php
+++ b/post.php
@@ -578,6 +578,7 @@ if(isset($_POST['add_expense'])){
     $vendor = intval($_POST['vendor']);
     $category = intval($_POST['category']);
     $description = strip_tags(mysqli_real_escape_string($mysqli,$_POST['description']));
+    $reference = strip_tags(mysqli_real_escape_string($mysqli,$_POST['reference']));
 
     if($_FILES['file']['tmp_name']!='') {
         $path = "uploads/expenses/$vendor/";
@@ -586,7 +587,7 @@ if(isset($_POST['add_expense'])){
         move_uploaded_file($_FILES['file']['tmp_name'], $path);
     }
 
-    mysqli_query($mysqli,"INSERT INTO expenses SET expense_date = '$date', expense_amount = '$amount', account_id = $account, vendor_id = $vendor, category_id = $category, expense_description = '$description', expense_receipt = '$path'");
+    mysqli_query($mysqli,"INSERT INTO expenses SET expense_date = '$date', expense_amount = '$amount', account_id = $account, vendor_id = $vendor, category_id = $category, expense_description = '$description', expense_reference = '$reference', expense_receipt = '$path'");
 
     $_SESSION['alert_message'] = "Expense added";
     
@@ -603,8 +604,9 @@ if(isset($_POST['edit_expense'])){
     $vendor = intval($_POST['vendor']);
     $category = intval($_POST['category']);
     $description = strip_tags(mysqli_real_escape_string($mysqli,$_POST['description']));
+    $reference = strip_tags(mysqli_real_escape_string($mysqli,$_POST['reference']));
 
-    mysqli_query($mysqli,"UPDATE expenses SET expense_date = '$date', expense_amount = '$amount', account_id = $account, vendor_id = $vendor, category_id = $category, expense_description = '$description' WHERE expense_id = $expense_id");
+    mysqli_query($mysqli,"UPDATE expenses SET expense_date = '$date', expense_amount = '$amount', account_id = $account, vendor_id = $vendor, category_id = $category, expense_description = '$description', expense_reference = '$reference' WHERE expense_id = $expense_id");
 
     $_SESSION['alert_message'] = "Expense modified";
     
@@ -937,6 +939,7 @@ if(isset($_POST['add_payment'])){
     $amount = $_POST['amount'];
     $account = intval($_POST['account']);
     $payment_method = strip_tags(mysqli_real_escape_string($mysqli,$_POST['payment_method']));
+    $reference = strip_tags(mysqli_real_escape_string($mysqli,$_POST['reference']));
     $email_receipt = intval($_POST['email_receipt']);
 
     //Check to see if amount entered is greater than the balance of the invoice
@@ -944,7 +947,7 @@ if(isset($_POST['add_payment'])){
         $_SESSION['alert_message'] = "Payment is more than the balance";
         header("Location: " . $_SERVER["HTTP_REFERER"]);
     }else{
-        mysqli_query($mysqli,"INSERT INTO payments SET payment_date = '$date', payment_amount = '$amount', account_id = $account, payment_method = '$payment_method', invoice_id = $invoice_id");
+        mysqli_query($mysqli,"INSERT INTO payments SET payment_date = '$date', payment_amount = '$amount', account_id = $account, payment_method = '$payment_method', payment_reference = '$reference', invoice_id = $invoice_id");
 
         //Add up all the payments for the invoice and get the total amount paid to the invoice
         $sql_total_payments_amount = mysqli_query($mysqli,"SELECT SUM(payment_amount) AS payments_amount FROM payments WHERE invoice_id = $invoice_id");