diff --git a/code/app/Helpers/Permissions.php b/code/app/Helpers/Permissions.php
index 62204704..a37639e7 100644
--- a/code/app/Helpers/Permissions.php
+++ b/code/app/Helpers/Permissions.php
@@ -42,6 +42,8 @@ function allPermissions()
     */
     try {
         $gas = currentAbsoluteGas();
+        $gas = $gas->fresh();
+
         if ($gas->multigas) {
             $ret['App\Gas']['gas.multi'] = _i('Amministrare la modalità Multi-GAS su questa istanza');
         }
diff --git a/code/app/Providers/AuthServiceProvider.php b/code/app/Providers/AuthServiceProvider.php
index 291fbe75..5474de8d 100644
--- a/code/app/Providers/AuthServiceProvider.php
+++ b/code/app/Providers/AuthServiceProvider.php
@@ -2,7 +2,6 @@
 
 namespace App\Providers;
 
-use Illuminate\Support\Facades\Gate;
 use Illuminate\Foundation\Support\Providers\AuthServiceProvider as ServiceProvider;
 
 use App\Extensions\BypassUserProvider;
@@ -18,22 +17,7 @@ class AuthServiceProvider extends ServiceProvider
      */
     public function boot()
     {
-        $all_permissions = allPermissions();
-        foreach ($all_permissions as $rules) {
-            foreach (array_keys($rules) as $identifier) {
-                Gate::define($identifier, function ($user, $obj = null) use ($identifier) {
-                    foreach($user->roles as $role) {
-                        if ($role->enabledAction($identifier)) {
-                            if(is_null($obj) || $role->applies($obj)) {
-                                return true;
-                            }
-                        }
-                    }
-
-                    return false;
-                });
-            }
-        }
+        app()->make('RolesService')->registerPolicies();
 
         Auth::provider('bypass', function ($app, array $config) {
             return new BypassUserProvider($app['hash'], $config['model']);
diff --git a/code/app/Services/RolesService.php b/code/app/Services/RolesService.php
index e9eb233c..b020058b 100644
--- a/code/app/Services/RolesService.php
+++ b/code/app/Services/RolesService.php
@@ -3,6 +3,7 @@
 namespace App\Services;
 
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Gate;
 
 use App\Exceptions\AuthException;
 
@@ -46,6 +47,39 @@ public function destroy($id)
 		return $role;
 	}
 
+	/*
+		Funzione che istruisce il sistema interno di controllo autorizzazioni a
+		gestire i permessi personalizzati. Nella stragrande maggioranza dei casi
+		è sufficiente invocare questa funzione in AuthServiceProvider, ma viene
+		comunque messa qui affinché possa essere nuovamente invocata in casi
+		particolari (e.g. viene abilitata la modalità Multi-GAS, che prevede
+		l'esistenza di un permesso nuovo da applicare)
+	*/
+	public function registerPolicies()
+	{
+		$all_permissions = allPermissions();
+
+		foreach ($all_permissions as $rules) {
+			foreach (array_keys($rules) as $identifier) {
+				if (Gate::has($identifier)) {
+					continue;
+				}
+
+				Gate::define($identifier, function ($user, $obj = null) use ($identifier) {
+					foreach($user->roles as $role) {
+						if ($role->enabledAction($identifier)) {
+							if(is_null($obj) || $role->applies($obj)) {
+								return true;
+							}
+						}
+					}
+
+					return false;
+				});
+			}
+		}
+	}
+
 	public function setMasterRole($gas, $identifier, $role_id)
 	{
 		$this->ensureAuth(['gas.permissions' => 'gas']);
diff --git a/code/config/app.php b/code/config/app.php
index ebf31e33..90274930 100644
--- a/code/config/app.php
+++ b/code/config/app.php
@@ -119,6 +119,7 @@
     */
 
     'providers' => [
+        App\Providers\ServicesProvider::class,
 
         /*
          * Laravel Framework Service Providers...
@@ -154,7 +155,6 @@
         App\Providers\EventServiceProvider::class,
         App\Providers\RouteServiceProvider::class,
 
-        App\Providers\ServicesProvider::class,
         App\Providers\SingletonsProvider::class,
         App\Providers\GraphicInitServiceProvider::class,
         App\Providers\MenuServiceProvider::class,
diff --git a/code/tests/Services/MultiGasServiceTest.php b/code/tests/Services/MultiGasServiceTest.php
index aa9f228d..68498943 100644
--- a/code/tests/Services/MultiGasServiceTest.php
+++ b/code/tests/Services/MultiGasServiceTest.php
@@ -20,6 +20,17 @@ public function setUp(): void
     {
         parent::setUp();
 
+        /*
+            Solo quando la configurazione "multigas" è abilitata, vengono
+            effettivamente caricate le regole di controllo permessi relative.
+            Pertanto qui, dopo aver impostato tale configurazione, le regole
+            vengono ricaricate; altrimenti, tutte le funzioni successive
+            ritornano un "not authorized" non essendo in grado di riconoscere il
+            permesso "gas.multi"
+        */
+        $this->gas->setConfig('multigas', '1');
+        app()->make('RolesService')->registerPolicies();
+
         $this->userSuperAdmin = $this->createRoleAndUser($this->gas, 'users.admin,gas.multi,supplier.view', $this->gas);
         $this->userWithNoPerms = \App\User::factory()->create(['gas_id' => $this->gas->id]);
     }