diff --git a/src/Bundle/ChillPersonBundle/Entity/Person.php b/src/Bundle/ChillPersonBundle/Entity/Person.php
index b1048ea60..7aacf6ba8 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Person.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Person.php
@@ -1182,9 +1182,9 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
      * @param string $phonenumber
      * @return Person
      */
-    public function setPhonenumber($phonenumber = '')
+    public function setPhonenumber(?string $phonenumber = '')
     {
-        $this->phonenumber = $phonenumber;
+        $this->phonenumber = (string) $phonenumber;
 
         return $this;
     }
@@ -1205,9 +1205,9 @@ class Person implements HasCenterInterface, TrackCreationInterface, TrackUpdateI
      * @param string $mobilenumber
      * @return Person
      */
-    public function setMobilenumber($mobilenumber = '')
+    public function setMobilenumber(?string $mobilenumber = '')
     {
-        $this->mobilenumber = $mobilenumber;
+        $this->mobilenumber = (string) $mobilenumber;
 
         return $this;
     }
diff --git a/src/Bundle/ChillPersonBundle/Form/CreationPersonType.php b/src/Bundle/ChillPersonBundle/Form/CreationPersonType.php
index 8fa95fe4f..3fa8f5cda 100644
--- a/src/Bundle/ChillPersonBundle/Form/CreationPersonType.php
+++ b/src/Bundle/ChillPersonBundle/Form/CreationPersonType.php
@@ -25,6 +25,7 @@ use Chill\MainBundle\Form\Event\CustomizeFormEvent;
 use Chill\MainBundle\Repository\CenterRepository;
 use Chill\PersonBundle\Entity\Person;
 use Chill\PersonBundle\Security\Authorization\PersonVoter;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -54,14 +55,18 @@ final class CreationPersonType extends AbstractType
 
     private EventDispatcherInterface $dispatcher;
 
+    private bool $askCenters;
+
     public function __construct(
         CenterRepository $centerRepository,
         ConfigPersonAltNamesHelper $configPersonAltNamesHelper,
-        EventDispatcherInterface $dispatcher
+        EventDispatcherInterface $dispatcher,
+        ParameterBagInterface $parameterBag
      ) {
         $this->centerTransformer = $centerRepository;
         $this->configPersonAltNamesHelper = $configPersonAltNamesHelper;
         $this->dispatcher = $dispatcher;
+        $this->askCenters = $parameterBag->get('chill_main')['acl']['form_show_centers'];
     }
 
     /**
@@ -78,12 +83,15 @@ final class CreationPersonType extends AbstractType
             ])
             ->add('gender', GenderType::class, array(
                 'required' => true, 'placeholder' => null
-            ))
-            ->add('center', PickCenterType::class, [
-                'required' => false,
-                'role' => PersonVoter::CREATE,
-            ])
-        ;
+            ));
+
+        if ($this->askCenters) {
+            $builder
+                ->add('center', PickCenterType::class, [
+                    'required' => false,
+                    'role' => PersonVoter::CREATE,
+                ]);
+        }
 
         if ($this->configPersonAltNamesHelper->hasAltNames()) {
                 $builder->add('altNames', PersonAltNameType::class, [
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/Person/PersonHasCenterValidator.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/Person/PersonHasCenterValidator.php
index 1738e6ddc..825084448 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/Person/PersonHasCenterValidator.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/Person/PersonHasCenterValidator.php
@@ -2,6 +2,7 @@
 
 namespace Chill\PersonBundle\Validator\Constraints\Person;
 
+use Chill\MainBundle\Security\Resolver\CenterResolverDispatcher;
 use Chill\PersonBundle\Entity\Person;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\Validator\Constraint;
@@ -10,10 +11,12 @@ use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 class PersonHasCenterValidator extends \Symfony\Component\Validator\ConstraintValidator
 {
     private bool $centerRequired;
+    private CenterResolverDispatcher $centerResolverDispatcher;
 
-    public function __construct(ParameterBagInterface $parameterBag)
+    public function __construct(ParameterBagInterface $parameterBag, CenterResolverDispatcher $centerResolverDispatcher)
     {
         $this->centerRequired = $parameterBag->get('chill_person')['validation']['center_required'];
+        $this->centerResolverDispatcher = $centerResolverDispatcher;
     }
 
     /**
@@ -29,7 +32,7 @@ class PersonHasCenterValidator extends \Symfony\Component\Validator\ConstraintVa
             return;
         }
 
-        if (NULL === $person->getCenter()) {
+        if (NULL === $this->centerResolverDispatcher->resolveCenter($person)) {
             $this
                 ->context
                 ->buildViolation($constraint->message)