diff --git a/migration/20.10/migrateModulesConfig.php b/migration/20.10/migrateModulesConfig.php
index 443bdf7311051fa452564fec2e6e63cd690d6a08..8a75bbd5da12cd36d78a893d43e8ae3b8c85530a 100755
--- a/migration/20.10/migrateModulesConfig.php
+++ b/migration/20.10/migrateModulesConfig.php
@@ -9,7 +9,7 @@ $migrated = 0;
 $customs =  scandir('custom');
 
 foreach ($customs as $custom) {
-    if ($custom == 'custom.xml' || $custom == '.' || $custom == '..') {
+    if (in_array($custom, ['custom.json', 'custom.xml', '.', '..'])) {
         continue;
     }
 
diff --git a/migration/20.10/migrateNotificationsConfig.php b/migration/20.10/migrateNotificationsConfig.php
index 0af44700f7350484e5d290034883160d3d3a05ac..301e0869b23b94dfe870af649918f488e13ce20d 100755
--- a/migration/20.10/migrateNotificationsConfig.php
+++ b/migration/20.10/migrateNotificationsConfig.php
@@ -9,7 +9,7 @@ $migrated = 0;
 $customs =  scandir('custom');
 
 foreach ($customs as $custom) {
-    if ($custom == 'custom.xml' || $custom == '.' || $custom == '..') {
+    if (in_array($custom, ['custom.json', 'custom.xml', '.', '..'])) {
         continue;
     }
 
@@ -61,6 +61,7 @@ foreach ($customs as $custom) {
             foreach ($notifications as $notification) {
                 \Notification\models\NotificationScheduleModel::createScriptNotification(['notification_sid' => $notification['notification_sid'], 'notification_id' => $notification['notification_id']]);
             }
+            printf("Si les scripts de notifications sont lancés dans la crontab, il faut modifier les chemins. Tous les scripts sont dans le dossier : bin/notification/scripts/ \n");
 
             $migrated++;
         }
diff --git a/migration/20.10/migrateNotificationsProperties.php b/migration/20.10/migrateNotificationsProperties.php
index 96b18129efd173e68f671c7ca59df9c12a2d40c1..11a40b138398f70d83fcbe67cbc1b0b2de0b80b4 100644
--- a/migration/20.10/migrateNotificationsProperties.php
+++ b/migration/20.10/migrateNotificationsProperties.php
@@ -7,7 +7,7 @@ chdir('../..');
 $customs =  scandir('custom');
 $migrated = 0;
 foreach ($customs as $custom) {
-    if ($custom == 'custom.xml' || $custom == '.' || $custom == '..') {
+    if (in_array($custom, ['custom.json', 'custom.xml', '.', '..'])) {
         continue;
     }
 
diff --git a/migration/20.10/migrateRemoteSignatureBookConfig.php b/migration/20.10/migrateRemoteSignatureBookConfig.php
index 2c46aa33bad885cf50c905c9054579b73cedf08d..9506d5fc8dca05477a13b8087730be5c9612074e 100755
--- a/migration/20.10/migrateRemoteSignatureBookConfig.php
+++ b/migration/20.10/migrateRemoteSignatureBookConfig.php
@@ -9,7 +9,7 @@ $migrated = 0;
 $customs =  scandir('custom');
 
 foreach ($customs as $custom) {
-    if ($custom == 'custom.xml' || $custom == '.' || $custom == '..') {
+    if (in_array($custom, ['custom.json', 'custom.xml', '.', '..'])) {
         continue;
     }
 
@@ -53,6 +53,8 @@ foreach ($customs as $custom) {
                 fwrite($fp, $res);
             }
 
+            createScript();
+
             $migrated++;
         }
     }
@@ -73,3 +75,33 @@ function formatXml($simpleXMLElement)
 
     return $xmlDocument->saveXML();
 }
+
+function createScript()
+{
+    $corePath = str_replace('migration/20.10', '', __DIR__);
+    $config   = $corePath . \SrcCore\models\CoreConfigModel::getConfigPath();
+
+    if (!empty($GLOBALS['customId'])) {
+        $folderScript = $corePath.'custom/'.$GLOBALS['customId'].'/bin/signatureBook/scripts/';
+        if (!file_exists($folderScript)) {
+            mkdir($folderScript, 0777, true);
+        }
+        $scriptPath = $folderScript . 'retrieveMailFromExternalSignatoryBook.sh';
+    } else {
+        $scriptPath = $corePath.'bin/signatureBook/scripts/retrieveMailFromExternalSignatoryBook.sh';
+    }
+    $fileToOpen = fopen($scriptPath, 'w+');
+
+    fwrite($fileToOpen, '#!/bin/sh');
+    fwrite($fileToOpen, "\n");
+    fwrite($fileToOpen, 'cd ' . $corePath . 'bin/signatureBook/');
+    fwrite($fileToOpen, "\n");
+    fwrite($fileToOpen, 'filePath=\''.$corePath.'bin/signatureBook/process_mailsFromSignatoryBook.php\'');
+    fwrite($fileToOpen, "\n");
+    fwrite($fileToOpen, 'php $filePath -c ' . $config);
+    fwrite($fileToOpen, "\n");
+    fclose($fileToOpen);
+    shell_exec('chmod +x '. $scriptPath);
+
+    printf("Si le script process_mailsFromSignatoryBook.php est lancé dans la crontab, il faut modifier le chemin comme ceci : " . $scriptPath . "\n");
+}