diff --git a/src/MDConcOwnershipStatus.php b/src/MDConcOwnershipStatus.php
index 4e7fd95..a9b1164 100644
--- a/src/MDConcOwnershipStatus.php
+++ b/src/MDConcOwnershipStatus.php
@@ -39,6 +39,12 @@ final class MDConcOwnershipStatus implements MDImporterConcordanceListInterface
         'Third party property' => 'third_party_property',
         'Fremdeigentum' => 'third_party_property',
 
+        // Deaccessed
+        'Deaccessed' => 'deaccessed',
+        'deakzessioniert' => 'deaccessed',
+        'Deakzessioniert' => 'deaccessed',
+        'Deakzession' => 'deaccessed',
+
     ];
 
     /**