diff --git a/migration/19.12/1912.sql b/migration/19.12/1912.sql
index 82903dab84aaf0e47694b8b014e3ab0c1ded4f24..77dd09328d5e8d10ec2978af371a4e4c27d0ed49 100644
--- a/migration/19.12/1912.sql
+++ b/migration/19.12/1912.sql
@@ -360,6 +360,7 @@ WHERE service_id = 'edit_recipient_outside_process' OR service_id = 'update_diff
 DELETE FROM usergroups_services WHERE service_id = 'edit_recipient_outside_process';
 DELETE FROM usergroups_services WHERE service_id = 'update_list_diff_in_details';
 DELETE FROM usergroups_services WHERE service_id = 'edit_recipient_in_process';
+UPDATE listmodels SET title = object_id WHERE title IS NULL;
 
 
 /* REFACTORING MODIFICATION */
@@ -367,7 +368,7 @@ ALTER TABLE notif_email_stack ALTER COLUMN attachments TYPE text;
 ALTER TABLE tags ALTER COLUMN label TYPE character varying(128);
 UPDATE priorities SET delays = 30 WHERE delays IS NULL;
 ALTER TABLE priorities ALTER COLUMN delays SET NOT NULL;
-UPDATE listmodels SET title = object_id WHERE title IS NULL;
+ALTER TABLE res_letterbox ALTER COLUMN status DROP NOT NULL;
 
 /* REFACTORING SUPPRESSION */
 DO $$ BEGIN
diff --git a/sql/structure.sql b/sql/structure.sql
index 05f5ca5ca60c69149cb1751f3beb6caef8260596..80165ee189401b81f35c4493b8924d8950a9b292 100755
--- a/sql/structure.sql
+++ b/sql/structure.sql
@@ -1119,7 +1119,7 @@ CREATE TABLE res_letterbox
   scan_wkstation character varying(255) DEFAULT NULL::character varying,
   scan_batch character varying(50) DEFAULT NULL::character varying,
   scan_postmark character varying(50) DEFAULT NULL::character varying,
-  status character varying(10) NOT NULL,
+  status character varying(10),
   destination character varying(50) DEFAULT NULL::character varying,
   work_batch bigint,
   origin character varying(50) DEFAULT NULL::character varying,
diff --git a/src/app/resource/controllers/ResController.php b/src/app/resource/controllers/ResController.php
index b78eb3bac8b4ec1e1ac9aaf8880d5225fa95904c..0cb2ec2f8a8cf858c276711fc49a2a1b5a6da97a 100755
--- a/src/app/resource/controllers/ResController.php
+++ b/src/app/resource/controllers/ResController.php
@@ -721,8 +721,6 @@ class ResController
 
         if (empty($body)) {
             return ['errors' => 'Body is not set or empty'];
-        } elseif (!Validator::stringType()->notEmpty()->validate($body['status'])) {
-            return ['errors' => 'Body status is empty or not a string'];
         } elseif (!Validator::intVal()->notEmpty()->validate($body['doctype'])) {
             return ['errors' => 'Body doctype is empty or not an integer'];
         } elseif (!Validator::intVal()->notEmpty()->validate($body['modelId'])) {
@@ -780,6 +778,14 @@ class ResController
             return ['errors' => $control['errors']];
         }
 
+        if (!empty($body['status'])) {
+            $status = StatusModel::getById(['id' => $body['status'], 'select' => [1]]);
+            if (empty($status)) {
+                return ['errors' => 'Body status does not exist'];
+            }
+        }
+
+
         return true;
     }
 
diff --git a/src/app/resource/controllers/StoreController.php b/src/app/resource/controllers/StoreController.php
index 19193d2f524d13e87e9bfda540cdf378c25c9364..a1cd5e21e94b92c73d64bcd8907e6f0754021a49 100755
--- a/src/app/resource/controllers/StoreController.php
+++ b/src/app/resource/controllers/StoreController.php
@@ -109,8 +109,8 @@ class StoreController
 
     public static function prepareStorage(array $args)
     {
-        ValidatorModel::notEmpty($args, ['docserver_id', 'filename', 'format', 'filesize', 'path', 'fingerprint', 'status', 'resId', 'modelId']);
-        ValidatorModel::stringType($args, ['docserver_id', 'filename', 'format', 'path', 'fingerprint', 'status']);
+        ValidatorModel::notEmpty($args, ['docserver_id', 'filename', 'format', 'filesize', 'path', 'fingerprint', 'resId', 'modelId']);
+        ValidatorModel::stringType($args, ['docserver_id', 'filename', 'format', 'path', 'fingerprint']);
         ValidatorModel::intVal($args, ['filesize', 'resId', 'modelId']);
 
         $indexingModel = IndexingModelModel::getById(['id' => $args['modelId'], 'select' => ['category']]);
@@ -142,7 +142,7 @@ class StoreController
             'alt_identifier'        => $chrono,
             'format'                => $args['format'],
             'typist'                => $args['typist'],
-            'status'                => $args['status'],
+            'status'                => $args['status'] ?? null,
             'destination'           => $args['destination'] ?? null,
             'initiator'             => $args['initiator'] ?? null,
             'confidentiality'       => empty('confidentiality') ? 'N' : 'Y',
diff --git a/src/app/resource/models/ResModelAbstract.php b/src/app/resource/models/ResModelAbstract.php
index be39a7cce837d15a7fbdbf95a9e538bd3fdc017a..f3c930a45c631bfd0d35f86e1a099bd1eb097ce6 100755
--- a/src/app/resource/models/ResModelAbstract.php
+++ b/src/app/resource/models/ResModelAbstract.php
@@ -82,8 +82,8 @@ abstract class ResModelAbstract
 
     public static function create(array $args)
     {
-        ValidatorModel::notEmpty($args, ['res_id', 'format', 'typist', 'creation_date', 'docserver_id', 'path', 'filename', 'fingerprint', 'filesize', 'status', 'category_id']);
-        ValidatorModel::stringType($args, ['format', 'creation_date', 'docserver_id', 'path', 'filename', 'fingerprint', 'status', 'category_id']);
+        ValidatorModel::notEmpty($args, ['res_id', 'format', 'typist', 'creation_date', 'docserver_id', 'path', 'filename', 'fingerprint', 'filesize', 'category_id']);
+        ValidatorModel::stringType($args, ['format', 'creation_date', 'docserver_id', 'path', 'filename', 'fingerprint', 'category_id']);
         ValidatorModel::intVal($args, ['filesize', 'res_id', 'typist']);
 
         DatabaseModel::insert([