diff --git a/FreeRadius.md b/FreeRadius.md
index a145753..8c52a55 100644
--- a/FreeRadius.md
+++ b/FreeRadius.md
@@ -85,7 +85,25 @@ authorize {
     quotalimit
     accessperiod
     uptimelimit
-    ....
+
+    if (User-Name){
+        if("%{sql:UPDATE radacct set AcctStopTime=ADDDATE(AcctStartTime,INTERVAL AcctSessionTime SECOND), AcctTerminateCause='Clear-Stale Session' WHERE UserName='%{User-Name}' and CallingStationId='%{Calling-Station-Id}' and AcctStopTime is NULL}"){
+        }
+    }
+
+    expiration{
+        userlock = 1
+    }
+    if(userlock){
+        # Let him connect with EXPIRED pool in reply
+        ok
+        update reply {
+            Reply-Message := "Your account has expired, %{User-Name} / Reason: DATE LIMIT REACHED"
+            Framed-Pool := "Expired"
+        }
+    }
+
+    .....
 }
 
 accounting {