diff --git a/app/Http/Controllers/Assets/AssetCheckinController.php b/app/Http/Controllers/Assets/AssetCheckinController.php
index cf881b57c..bc9ae19c8 100644
--- a/app/Http/Controllers/Assets/AssetCheckinController.php
+++ b/app/Http/Controllers/Assets/AssetCheckinController.php
@@ -14,6 +14,7 @@ use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Support\Facades\Log;
 use \Illuminate\Contracts\View\View;
 use \Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Facades\Validator;
 
 class AssetCheckinController extends Controller
 {
@@ -40,6 +41,15 @@ class AssetCheckinController extends Controller
         if (!$asset->model) {
             return redirect()->route('hardware.show', $asset->id)->with('error', trans('admin/hardware/general.model_invalid_fix'));
         }
+
+        // Validate custom fields on existing asset
+        $validator = Validator::make($asset->toArray(), $asset->customFieldValidationRules());
+
+        if ($validator->fails()) {
+            return redirect()->route('hardware.edit', $asset)
+                ->withErrors($validator);
+        }
+
         $target_option = match ($asset->assigned_type) {
             'App\Models\Asset' => trans('admin/hardware/form.redirect_to_type', ['type' => trans('general.asset_previous')]),
             'App\Models\Location' => trans('admin/hardware/form.redirect_to_type', ['type' => trans('general.location')]),
diff --git a/app/Http/Controllers/Assets/AssetCheckoutController.php b/app/Http/Controllers/Assets/AssetCheckoutController.php
index 4d8c9ffda..26a993d80 100644
--- a/app/Http/Controllers/Assets/AssetCheckoutController.php
+++ b/app/Http/Controllers/Assets/AssetCheckoutController.php
@@ -12,6 +12,7 @@ use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Support\Facades\Session;
 use \Illuminate\Contracts\View\View;
 use \Illuminate\Http\RedirectResponse;
+use Illuminate\Support\Facades\Validator;
 
 class AssetCheckoutController extends Controller
 {
@@ -36,6 +37,14 @@ class AssetCheckoutController extends Controller
                 ->with('error', trans('admin/hardware/general.model_invalid_fix'));
         }
 
+        // Validate custom fields on existing asset
+        $validator = Validator::make($asset->toArray(), $asset->customFieldValidationRules());
+
+        if ($validator->fails()) {
+            return redirect()->route('hardware.edit', $asset)
+                ->withErrors($validator);
+        }
+        
         if ($asset->availableForCheckout()) {
             return view('hardware/checkout', compact('asset'))
                 ->with('statusLabel_list', Helper::deployableStatusLabelList())
diff --git a/app/Http/Controllers/Assets/AssetsController.php b/app/Http/Controllers/Assets/AssetsController.php
index 6391a3dd9..50810b043 100755
--- a/app/Http/Controllers/Assets/AssetsController.php
+++ b/app/Http/Controllers/Assets/AssetsController.php
@@ -877,10 +877,19 @@ class AssetsController extends Controller
     }
 
 
-    public function audit(Asset $asset)
+    public function audit(Asset $asset): View | RedirectResponse
     {
-        $settings = Setting::getSettings();
         $this->authorize('audit', Asset::class);
+        $settings = Setting::getSettings();
+
+        // Validate custom fields on existing asset
+        $validator = Validator::make($asset->toArray(), $asset->customFieldValidationRules());
+
+        if ($validator->fails()) {
+            return redirect()->route('hardware.edit', $asset)
+                ->withErrors($validator);
+        }
+
         $dt = Carbon::now()->addMonths($settings->audit_interval)->toDateString();
         return view('hardware/audit')->with('asset', $asset)->with('item', $asset)->with('next_audit_date', $dt)->with('locations_list');
     }