Index: abi/include/ipc/methods.h
===================================================================
--- abi/include/ipc/methods.h	(revision 5d0500cf34f298133f120c2783fb8ef7d5fb2e9c)
+++ abi/include/ipc/methods.h	(revision d894fbdb1cbc656ff7db4a33f03a2d331d2b4837)
@@ -171,4 +171,16 @@
 #define IPC_M_DATA_READ  8
 
+/** Authorize change of recipient's state in a third party task.
+ * - ARG1 - user protocol defined data
+ * - ARG2 - user protocol defined data
+ * - ARG3 - user protocol defined data
+ * - ARG5 - sender's phone to the third party task
+ *
+ * on EOK answer, the recipient must set:
+ *
+ * - ARG1 - recipient's phone to the third party task
+ */
+#define IPC_M_STATE_CHANGE_AUTHORIZE	9
+
 /** Debug the recipient.
  * - ARG1 - specifies the debug method (from udebug_method_t)
@@ -176,5 +188,5 @@
  *
  */
-#define IPC_M_DEBUG  9
+#define IPC_M_DEBUG 10
 
 /** Last system IPC method */