diff --git a/src/pfwbged/collection/multiactions.py b/src/pfwbged/collection/multiactions.py
index 9cb9d11..753bafd 100644
--- a/src/pfwbged/collection/multiactions.py
+++ b/src/pfwbged/collection/multiactions.py
@@ -15,7 +15,13 @@ class MultiActionsView(BrowserView):
         for document_id in documents:
             document = api.content.get(document_id)
             try:
-                api.content.transition(document, action)
+                if action in ('validate', 'refuse'):
+                    for child in reversed(document.values()):
+                        if child.portal_type == 'dmsmainfile':
+                            api.content.transition(child, action)
+                            break
+                else:
+                    api.content.transition(document, action)
             except InvalidParameterError:
                 failures.append(document)
             else:
diff --git a/src/pfwbged/collection/searchview.py b/src/pfwbged/collection/searchview.py
index a54cce2..1fbfd3e 100644
--- a/src/pfwbged/collection/searchview.py
+++ b/src/pfwbged/collection/searchview.py
@@ -200,6 +200,8 @@ class ResultsDocumentsTable(ResultsTable):
         <button data-status="processing" data-popup="add_multi_information">Transmettre pour info</button>
         <button data-status="assigning" data-popup="multi_attribute_task">Attribuer</button>
         <button data-status="ready_to_send" data-action="send">Envoyer</button>
+        <button data-status="has_last_version_accept" data-action="validate">Valider la dernière version</button>
+        <button data-status="has_last_version_refuse" data-action="refuse">Refuser la dernière version</button>
       </div>
 
         """ % {'portal_url': portal_url}