diff --git a/lib/actions/documentaction.inc.php b/lib/actions/documentaction.inc.php
index e587ad8..6ece23d 100644
--- a/lib/actions/documentaction.inc.php
+++ b/lib/actions/documentaction.inc.php
@@ -42,6 +42,9 @@ class KTDocumentAction extends KTStandardDispatcher {
 
     var $sSection = "view_details";
 
+    var $_bMutator = false;
+    var $_bMutationAllowedByAdmin = true;
+
     function KTDocumentAction($oDocument = null, $oUser = null, $oPlugin = null) {
         $this->oDocument =& $oDocument;
         $this->oUser =& $oUser;
@@ -64,7 +67,18 @@ class KTDocumentAction extends KTStandardDispatcher {
     function _show() {
         if (is_null($this->_sShowPermission)) {
             return true;
-        }        
+        }
+        $oFolder = Folder::get($this->oDocument->getFolderId());
+
+        if ($this->_bMutator && $this->oDocument->getImmutable()) {
+            if ($this->_bMutationAllowedByAdmin === true) {
+                if (!KTBrowseUtil::inAdminMode($this->oUser, $oFolder)) {
+                    return false;
+                }
+            } else {
+                return false;
+            }
+        }
         
         if ($this->_bAdminAlwaysAvailable) {
             if (Permission::userIsSystemAdministrator($this->oUser->getId())) {
@@ -86,7 +100,6 @@ class KTDocumentAction extends KTStandardDispatcher {
 		if (($status == DELETED) || ($status == ARCHIVED)) { return false; } 
         if ($this->bAllowInAdminMode) {
             // check if this user is in admin mode
-            $oFolder = Folder::get($this->oDocument->getFolderId());
             if (KTBrowseUtil::inAdminMode($this->oUser, $oFolder)) {             
                 return true; 
             }		
diff --git a/plugins/ktcore/KTDocumentActions.php b/plugins/ktcore/KTDocumentActions.php
index 69e5d94..1b91696 100644
--- a/plugins/ktcore/KTDocumentActions.php
+++ b/plugins/ktcore/KTDocumentActions.php
@@ -96,6 +96,9 @@ class KTDocumentCheckOutAction extends KTDocumentAction {
 
     var $_sShowPermission = "ktcore.permissions.write";
 
+    var $_bMutator = true;
+    var $_bMutationAllowedByAdmin = false;
+
     function getDisplayName() {
         return _kt('Checkout');
     }
@@ -381,6 +384,7 @@ class KTDocumentEditAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.edit';
 
     var $_sShowPermission = "ktcore.permissions.write";
+    var $_bMutator = true;
 
     function getInfo() {
         if ($this->oDocument->getIsCheckedOut()) {
@@ -404,6 +408,7 @@ class KTDocumentDeleteAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.delete';
 
     var $_sShowPermission = "ktcore.permissions.delete";
+    var $_bMutator = true;
 
     function getDisplayName() {
         return _kt('Delete');
@@ -480,6 +485,7 @@ class KTDocumentMoveAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.move';
 
     var $_sShowPermission = "ktcore.permissions.write";
+    var $_bMutator = true;
 
     function getDisplayName() {
         return _kt('Move');
@@ -867,6 +873,7 @@ class KTDocumentVersionHistoryAction extends KTDocumentAction {
 class KTDocumentArchiveAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.archive';
     var $_sShowPermission = "ktcore.permissions.write";
+    var $_bMutator = true;
 
     function getDisplayName() {
         return _kt('Archive');
diff --git a/plugins/ktcore/document/Rename.php b/plugins/ktcore/document/Rename.php
index 9a45e5f..60c4d05 100644
--- a/plugins/ktcore/document/Rename.php
+++ b/plugins/ktcore/document/Rename.php
@@ -42,6 +42,7 @@ class KTDocumentRenameAction extends KTDocumentAction {
     var $sName = 'ktcore.actions.document.rename';
 
     var $_sShowPermission = "ktcore.permissions.write";
+    var $_bMutator = true;
 
     function getDisplayName() {
         return _kt('Rename');