diff --git a/rest/index.php b/rest/index.php
index 97528decc7fa1ae73efbe292f8d5fe1f17ab3405..af01a1402f2c8206e6efc6b990b29ae81339f3ee 100755
--- a/rest/index.php
+++ b/rest/index.php
@@ -62,6 +62,11 @@ $app->post('/actions', \Action\controllers\ActionController::class . ':create');
 $app->put('/actions/{id}', \Action\controllers\ActionController::class . ':update');
 $app->delete('/actions/{id}', \Action\controllers\ActionController::class . ':delete');
 
+//Acknowledgement Receipt
+$app->post('/acknowledgementReceipt', \AcknowledgementReceipt\controllers\AcknowledgementReceiptController::class . ':createPaperAcknowledgement');
+$app->get('/acknowledgementReceipt/{id}', \AcknowledgementReceipt\controllers\AcknowledgementReceiptController::class . ':getById');
+$app->get('/acknowledgementReceipt/{id}/content', \AcknowledgementReceipt\controllers\AcknowledgementReceiptController::class . ':getAcknowledgementReceipt');
+
 //Attachments
 $app->post('/attachments', \Attachment\controllers\AttachmentController::class . ':create');
 $app->get('/attachments/{id}', \Attachment\controllers\AttachmentController::class . ':getById');
@@ -365,7 +370,6 @@ $app->put('/resources/{resId}/unsign', \SignatureBook\controllers\SignatureBookC
 $app->get('/resources/{resId}/acknowledgementReceipts', \AcknowledgementReceipt\controllers\AcknowledgementReceiptController::class . ':get');
 $app->get('/resources/{resId}/shippings', \Shipping\controllers\ShippingController::class . ':get');
 
-$app->get('/res/{resId}/acknowledgementReceipt/{id}', \AcknowledgementReceipt\controllers\AcknowledgementReceiptController::class . ':getAcknowledgementReceipt');
 $app->put('/res/resource/status', \Resource\controllers\ResController::class . ':updateStatus');
 $app->post('/res/list', \Resource\controllers\ResController::class . ':getList');
 $app->put('/res/externalInfos', \Resource\controllers\ResController::class . ':updateExternalInfos');
@@ -386,7 +390,7 @@ $app->put('/resourcesList/users/{userId}/groups/{groupId}/baskets/{basketId}/act
 $app->get('/resourcesList/exportTemplate', \Resource\controllers\ExportController::class . ':getExportTemplates');
 $app->get('/resourcesList/summarySheets', \Resource\controllers\SummarySheetController::class . ':createListWithAll');
 $app->put('/resourcesList/integrations', \Resource\controllers\ResController::class . ':setInIntegrations');
-$app->post('/acknowledgementReceipt', \AcknowledgementReceipt\controllers\AcknowledgementReceiptController::class . ':createPaperAcknowledgement');
+
 //PreProcess
 $app->post('/resourcesList/users/{userId}/groups/{groupId}/baskets/{basketId}/checkAcknowledgementReceipt', \Action\controllers\PreProcessActionController::class . ':checkAcknowledgementReceipt');
 $app->post('/resourcesList/users/{userId}/groups/{groupId}/baskets/{basketId}/checkExternalSignatoryBook', \Action\controllers\PreProcessActionController::class . ':checkExternalSignatoryBook');
diff --git a/src/app/acknowledgementReceipt/controllers/AcknowledgementReceiptController.php b/src/app/acknowledgementReceipt/controllers/AcknowledgementReceiptController.php
index 624fdada09607660fb11ca08dc340bfc09a9497e..dc91fd368c881bf15c4474f2b3ef9c5b48f24bc6 100644
--- a/src/app/acknowledgementReceipt/controllers/AcknowledgementReceiptController.php
+++ b/src/app/acknowledgementReceipt/controllers/AcknowledgementReceiptController.php
@@ -66,6 +66,43 @@ class AcknowledgementReceiptController
         return $response->withJson($acknowledgementReceipts);
     }
 
+    public static function getById(Request $request, Response $response, array $args)
+    {
+        $acknowledgementReceipt = AcknowledgementReceiptModel::getByIds([
+            'select'  => ['id', 'res_id', 'type', 'format', 'user_id', 'creation_date', 'send_date', 'contact_id'],
+            'ids'     => [$args['id']]
+        ]);
+
+        if (empty($acknowledgementReceipt[0])) {
+            return $response->withStatus(400)->withJson(['errors' => 'Acknowledgement receipt does not exist']);
+        }
+        $acknowledgementReceipt = $acknowledgementReceipt[0];
+
+        if (!Validator::intVal()->validate($acknowledgementReceipt['res_id']) || !ResController::hasRightByResId(['resId' => [$acknowledgementReceipt['res_id']], 'userId' => $GLOBALS['id']])) {
+            return $response->withStatus(403)->withJson(['errors' => 'Document out of perimeter']);
+        }
+
+        $contact = ContactModel::getById(['id' => $acknowledgementReceipt['contact_id'], 'select' => ['firstname', 'lastname', 'company']]);
+        $contactLabel = ContactController::getFormattedOnlyContact(['contact' => $contact]);
+
+        $userLabel = UserModel::getLabelledUserById(['id' => $acknowledgementReceipt['user_id']]);
+
+        $acknowledgementReceipt = [
+            'id'           => $acknowledgementReceipt['id'],
+            'resId'        => $acknowledgementReceipt['res_id'],
+            'type'         => $acknowledgementReceipt['type'],
+            'format'       => $acknowledgementReceipt['format'],
+            'userId'       => $acknowledgementReceipt['user_id'],
+            'userLabel'    => $userLabel,
+            'creationDate' => $acknowledgementReceipt['creation_date'],
+            'sendDate'     => $acknowledgementReceipt['send_date'],
+            'contactId'    => $acknowledgementReceipt['contact_id'],
+            'contactLabel' => $contactLabel['contact']['idToDisplay']
+        ];
+
+        return $response->withJson(['acknowledgementReceipt' => $acknowledgementReceipt]);
+    }
+
     public function createPaperAcknowledgement(Request $request, Response $response)
     {
         $bodyData = $request->getParsedBody();
@@ -127,30 +164,35 @@ class AcknowledgementReceiptController
         return $response->withHeader('Content-Type', $mimeType);
     }
 
-    public function getAcknowledgementReceipt(Request $request, Response $response, array $aArgs)
+    public function getAcknowledgementReceipt(Request $request, Response $response, array $args)
     {
-        if (!Validator::intVal()->validate($aArgs['resId']) || !ResController::hasRightByResId(['resId' => [$aArgs['resId']], 'userId' => $GLOBALS['id']])) {
-            return $response->withStatus(403)->withJson(['errors' => 'Document out of perimeter']);
-        }
-
         $document = AcknowledgementReceiptModel::getByIds([
-            'select'  => ['docserver_id', 'path', 'filename', 'fingerprint'],
-            'ids'     => [$aArgs['id']]
+            'select'  => ['docserver_id', 'path', 'filename', 'fingerprint', 'res_id'],
+            'ids'     => [$args['id']]
         ]);
 
-        $docserver = DocserverModel::getByDocserverId(['docserverId' => $document[0]['docserver_id'], 'select' => ['path_template', 'docserver_type_id']]);
+        if (empty($document[0])) {
+            return $response->withStatus(400)->withJson(['errors' => 'Acknowledgement receipt does not exist']);
+        }
+        $document = $document[0];
+
+        if (!Validator::intVal()->validate($document['res_id']) || !ResController::hasRightByResId(['resId' => [$document['res_id']], 'userId' => $GLOBALS['id']])) {
+            return $response->withStatus(403)->withJson(['errors' => 'Document out of perimeter']);
+        }
+
+        $docserver = DocserverModel::getByDocserverId(['docserverId' => $document['docserver_id'], 'select' => ['path_template', 'docserver_type_id']]);
         if (empty($docserver['path_template']) || !file_exists($docserver['path_template'])) {
             return $response->withStatus(400)->withJson(['errors' => 'Docserver does not exist']);
         }
 
-        $pathToDocument = $docserver['path_template'] . str_replace('#', DIRECTORY_SEPARATOR, $document[0]['path']) . $document[0]['filename'];
+        $pathToDocument = $docserver['path_template'] . str_replace('#', DIRECTORY_SEPARATOR, $document['path']) . $document['filename'];
 
         if (!file_exists($pathToDocument)) {
             return $response->withStatus(404)->withJson(['errors' => 'Document not found on docserver']);
         }
 
         $fingerprint = StoreController::getFingerPrint(['filePath' => $pathToDocument]);
-        if (!empty($document[0]['fingerprint']) && $document[0]['fingerprint'] != $fingerprint) {
+        if (!empty($document['fingerprint']) && $document['fingerprint'] != $fingerprint) {
             return $response->withStatus(400)->withJson(['errors' => 'Fingerprints do not match']);
         }
 
@@ -169,9 +211,9 @@ class AcknowledgementReceiptController
 
         HistoryController::add([
             'tableName' => 'acknowledgement_receipts',
-            'recordId'  => $aArgs['id'],
+            'recordId'  => $args['id'],
             'eventType' => 'VIEW',
-            'info'      => _ACKNOWLEDGEMENT_RECEIPT_DISPLAYING . " : {$aArgs['id']}",
+            'info'      => _ACKNOWLEDGEMENT_RECEIPT_DISPLAYING . " : {$args['id']}",
             'moduleId'  => 'res',
             'eventId'   => 'acknowledgementreceiptview',
         ]);