diff --git a/SeedDMS_Core/Core/inc.AccessUtils.php b/SeedDMS_Core/Core/inc.AccessUtils.php
index ccb087db7..1edbce647 100644
--- a/SeedDMS_Core/Core/inc.AccessUtils.php
+++ b/SeedDMS_Core/Core/inc.AccessUtils.php
@@ -38,6 +38,12 @@ define("M_READWRITE", 3);
  */
 define("M_ALL", 4);
 
+/*
+ * Lowest and highest access right
+ */
+define("M_LOWEST_RIGHT",  1);
+define("M_HIGHEST_RIGHT",  4);
+
 define ("O_GTEQ", ">=");
 define ("O_LTEQ", "<=");
 define ("O_EQ", "=");
@@ -85,4 +91,4 @@ define("N_DELETE_VERSION", 5);
 /**
  * Notify when version of document was deleted
  */
-define("N_ADD_DOCUMENT", 6);
\ No newline at end of file
+define("N_ADD_DOCUMENT", 6);