833. Renewal of licences.

If the holder of a current air transport licence or route licence1 applies for the grant of another licence in continuation of or substitution for a current licence, the current licence does not cease to be in force by reason only of its expiration unless the Civil Aviation Authority ('CAA')2 has decided the application or the time for appealing has expired or any appeal in respect of the application is determined or abandoned or, if an appeal is successful, the licence granted in consequence of the appeal comes into force