diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
index a38b7055c..50213dd6c 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
@@ -1507,6 +1507,16 @@ class AccompanyingPeriod implements
         return $this;
     }
 
+    public function getUserHistories(): ReadableCollection
+    {
+        return $this->userHistories;
+    }
+
+    public function getCurrentUserHistory(): ?UserHistory
+    {
+        return $this->getUserHistories()->findFirst(fn (int $key, UserHistory $userHistory) => $userHistory->getEndDate() === null);
+    }
+
     private function addStepHistory(AccompanyingPeriodStepHistory $stepHistory, array $context = []): self
     {
         if (!$this->stepHistories->contains($stepHistory)) {
diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodDocGenNormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodDocGenNormalizer.php
index 80480cd33..a0f0f9a8e 100644
--- a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodDocGenNormalizer.php
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodDocGenNormalizer.php
@@ -17,7 +17,10 @@ use Chill\MainBundle\Entity\Location;
 use Chill\MainBundle\Entity\Scope;
 use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Security\Resolver\ScopeResolverDispatcher;
+use Chill\MainBundle\Serializer\Normalizer\UserNormalizer;
+use Chill\MainBundle\Templating\Entity\UserRender;
 use Chill\MainBundle\Templating\TranslatableStringHelper;
+use Chill\PersonBundle\AccompanyingPeriod\Events\UserRefEventSubscriber;
 use Chill\PersonBundle\Entity\AccompanyingPeriod;
 use Chill\PersonBundle\Entity\AccompanyingPeriodParticipation;
 use Chill\PersonBundle\Entity\Person;
@@ -83,6 +86,7 @@ class AccompanyingPeriodDocGenNormalizer implements ContextAwareNormalizerInterf
     {
         if ($period instanceof AccompanyingPeriod) {
             $scopes = $this->scopeResolverDispatcher->isConcerned($period) ? $this->scopeResolverDispatcher->resolveScope($period) : [];
+            $userHistory = $period->getCurrentUserHistory();
 
             if (!\is_array($scopes)) {
                 $scopes = [$scopes];
@@ -103,7 +107,7 @@ class AccompanyingPeriodDocGenNormalizer implements ContextAwareNormalizerInterf
                 'closingMotive' => $this->normalizer->normalize($period->getClosingMotive(), $format, array_merge($context, ['docgen:expects' => AccompanyingPeriod\ClosingMotive::class])),
                 'confidential' => $period->isConfidential(),
                 'createdAt' => $this->normalizer->normalize($period->getCreatedAt(), $format, $dateContext),
-                'createdBy' => $this->normalizer->normalize($period->getCreatedBy(), $format, $userContext),
+                'createdBy' => $this->normalizer->normalize($period->getCreatedBy(), $format, [...$userContext, UserNormalizer::AT_DATE => $period->getCreatedAt()]),
                 'emergency' => $period->isEmergency(),
                 'openingDate' => $this->normalizer->normalize($period->getOpeningDate(), $format, $dateContext),
                 'origin' => $this->normalizer->normalize($period->getOrigin(), $format, array_merge($context, ['docgen:expects' => AccompanyingPeriod\Origin::class])),
@@ -125,7 +129,7 @@ class AccompanyingPeriodDocGenNormalizer implements ContextAwareNormalizerInterf
                 'isClosed' => null !== $period->getClosingDate(),
                 'closingMotiveText' => null !== $period->getClosingMotive() ?
                     $this->closingMotiveRender->renderString($period->getClosingMotive(), []) : '',
-                'ref' => $this->normalizer->normalize($period->getUser(), $format, $userContext),
+                'ref' => $this->normalizer->normalize($userHistory?->getUser(), $format, [...$userContext, UserNormalizer::AT_DATE => $userHistory?->getStartDate()]),
                 'hasRef' => null !== $period->getUser(),
                 'socialIssuesText' => implode(', ', array_map(fn (SocialIssue $s) => $this->socialIssueRender->renderString($s, []), $period->getSocialIssues()->toArray())),
                 'scopesText' => implode(', ', array_map(fn (Scope $s) => $this->translatableStringHelper->localize($s->getName()), $scopes)),