diff --git a/app/Helpers/helpers.php b/app/Helpers/helpers.php
index 9e22cf1..004a8d2 100644
--- a/app/Helpers/helpers.php
+++ b/app/Helpers/helpers.php
@@ -207,3 +207,13 @@ function convertToOriginalFormat($apiPrice) {
     $originalPrice = intval($apiPrice) / 100;
     return number_format($originalPrice, 2, '.', ''); // Format with 2 decimal places
 }
+
+function lastDayOfMonth($month, $year) {
+    // Create a DateTime object for the first day of the given month
+    $date = new DateTime("$year-$month-01");
+    // Modify the date to the last day of the same month
+    $date->modify('last day of this month');
+    // Return the formatted date
+    return $date->format('d');
+}
+
diff --git a/app/Nova/Actions/MakePaymentNovaVisaMaster.php b/app/Nova/Actions/MakePaymentNovaVisaMaster.php
index a8778a9..3af3d9a 100644
--- a/app/Nova/Actions/MakePaymentNovaVisaMaster.php
+++ b/app/Nova/Actions/MakePaymentNovaVisaMaster.php
@@ -52,9 +52,11 @@ class MakePaymentNovaVisaMaster extends Action
 
         $resource = $models->first();
 
+        $today = today();
+
         $hasBeenPaid = false;
-        $resource->paymentItems->each(function ($item) use ($hasBeenPaid) {
-            if (boolval($item->paid) && now()->format('m Y') == $item->created_at->format('m Y')) {
+        $resource->paymentItems->each(function ($item) use ($hasBeenPaid, $today) {
+            if (boolval($item->paid) && $today->format('m Y') == $item->created_at->format('m Y')) {
                 $hasBeenPaid = true;
             }
         });
@@ -66,6 +68,13 @@ class MakePaymentNovaVisaMaster extends Action
             ]);
         }
 
+        if (lastDayOfMonth($today->format('m'), $today->format('Y'))) {
+            return Action::modal('modal-response', [
+                'title' => 'Bu gun aýyn sonky guni!',
+                'body' => 'Ayyn sonky guni toleg alynmayar.',
+            ]);
+        }
+
         if (! $resource->branch || ! $resource->branch->billing_visa_master_username) {
             return Action::modal('modal-response', [
                 'title' => 'Billing maglumatlary şahamçada ýok!',