Its not such a palaver, and once you've got it you've got it for keeps
What's the problem? It costs nothing.
It states quite clearly that the code is confidential and should not be divulged to a third party.
The address is
Meteo France
Direction de la Production
Codes aereonautiques
42 Avenue Coriolis
F31057
Toulouse
Cedex France
Safe flying.
Cusco