diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/RequestorFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/RequestorFilter.php
new file mode 100644
index 000000000..ca2173e5a
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/RequestorFilter.php
@@ -0,0 +1,153 @@
+<?php
+
+namespace Chill\PersonBundle\Export\Filter;
+
+use Chill\MainBundle\Export\FilterInterface;
+use Chill\PersonBundle\Export\Declarations;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Query\Expr\Andx;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+class RequestorFilter implements FilterInterface
+{
+
+    private const REQUESTOR_CHOICES = [
+        'is person concerned' => 'participation',
+        'is other person' => 'other_person',
+        'is thirdparty' => 'thirdparty',
+        'no requestor' => 'no_requestor',
+    ];
+
+    private const DEFAULT_CHOICE = 'participation';
+
+    protected TranslatorInterface $translator;
+
+    protected EntityManagerInterface $em;
+
+    public function __construct(
+        TranslatorInterface $translator,
+        EntityManagerInterface $em
+    ) {
+        $this->translator = $translator;
+        $this->em = $em;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function buildForm(FormBuilderInterface $builder)
+    {
+        $builder->add('accepted_choices', ChoiceType::class, [
+            'choices' => self::REQUESTOR_CHOICES,
+            'multiple' => false,
+            'expanded' => true,
+            'empty_data' => self::DEFAULT_CHOICE,
+            'data' => self::DEFAULT_CHOICE,
+        ]);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getTitle(): string
+    {
+        return 'Filter by requestor';
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function describeAction($data, $format = 'string'): array
+    {
+        $choice = array_flip(self::REQUESTOR_CHOICES)[$data['accepted_choices']];
+
+        return ['Filtered by requestor: only %choice%', [
+            '%choice%' => $this->translator->trans($choice)
+        ]];
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function addRole()
+    {
+        return null;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function alterQuery(QueryBuilder $qb, $data)
+    {
+        $where = $qb->getDQLPart('where');
+
+        switch ($data['accepted_choices']) {
+            case 'participation':
+
+                $qb->join('acp.participations', 'part');
+
+                $clause = $qb->expr()->andX(
+                    $qb->expr()->isNotNull('acp.requestorPerson'),
+                    $qb->expr()->eq('acp.requestorPerson', 'part.person')
+                );
+                break;
+
+            case 'other_person':
+
+                $expr = $this->em->getExpressionBuilder();
+
+                $qb->join('acp.participations','part');
+
+                $clause = $expr->andX(
+                    $expr->isNotNull('acp.requestorPerson'),
+                    $expr->notIn('acp.requestorPerson',
+
+                        // subquery
+                        $this->em->createQueryBuilder()
+                            ->select('identity(acp2.requestorPerson)')
+                            ->from('ChillPersonBundle:AccompanyingPeriod', 'acp2')
+                            ->join('acp2.participations', 'part2')
+                            ->where($expr->eq('acp2.requestorPerson', 'part2.person'))
+                            ->getDQL()
+
+                    )
+                );
+                break;
+
+            case 'thirdparty':
+
+                $clause = $qb->expr()->isNotNull('acp.requestorThirdParty');
+                break;
+
+            case 'no_requestor':
+
+                $clause = $qb->expr()->andX(
+                    $qb->expr()->isNull('acp.requestorPerson'),
+                    $qb->expr()->isNull('acp.requestorThirdParty')
+                );
+                break;
+
+            default:
+                throw new \Exception('Uncaught choice exception');
+        }
+
+        if ($where instanceof Andx) {
+            $where->add($clause);
+        } else {
+            $where = $qb->expr()->andX($clause);
+        }
+
+        $qb->add('where', $where);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function applyOn(): string
+    {
+        return Declarations::ACP_TYPE;
+    }
+}
\ No newline at end of file
diff --git a/src/Bundle/ChillPersonBundle/config/services/exports_accompanying_period.yaml b/src/Bundle/ChillPersonBundle/config/services/exports_accompanying_period.yaml
index 62ad99b97..b715605af 100644
--- a/src/Bundle/ChillPersonBundle/config/services/exports_accompanying_period.yaml
+++ b/src/Bundle/ChillPersonBundle/config/services/exports_accompanying_period.yaml
@@ -102,6 +102,13 @@ services:
         tags:
             - { name: chill.export_filter, alias: accompanyingcourse_administrative_location_filter }
 
+    chill.person.export.filter_requestor:
+        class: Chill\PersonBundle\Export\Filter\RequestorFilter
+        autowire: true
+        autoconfigure: true
+        tags:
+            - { name: chill.export_filter, alias: accompanyingcourse_requestor_filter }
+
     chill.person.export.filter_confidential:
         class: Chill\PersonBundle\Export\Filter\ConfidentialFilter
         autowire: true
diff --git a/src/Bundle/ChillPersonBundle/translations/messages.fr.yml b/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
index f613b09da..bdd70bee4 100644
--- a/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
@@ -418,6 +418,14 @@ Filter by administrative location: Filtrer par localisation administrative
 Accepted locations: Localisations administratives
 "Filtered by administratives locations: only %locations%": "Filtré par localisation administrative: uniquement %locations%"
 
+Filter by requestor: Filtrer les parcours selon la présence du demandeur au sein des usagers concernés
+Accepted choices: ''
+is person concerned: Le demandeur est un usager concerné
+is other person: Le demandeur est un autre usager
+is thirdparty: Le demandeur est un tiers
+no requestor: Il n'y a pas de demandeur
+"Filtered by requestor: only %choice%": "Filtré par présence du demandeur au sein des usagers concernés: uniquement si %choice%"
+
 Filter by confidential: Filtrer par confidentialité
 Accepted confidentials: ''
 is confidential: le parcours est confidentiel