The decision requesting the opinion is sent, together with the conclusions and any written observations, by the court registrar to the registry of the Cour de cassation.
It is notified, together with the date of transmission of the file, to the parties by registered letter with acknowledgement of receipt.
The public prosecutor at the court is notified as well as the first president of the court of appeal and the public prosecutor where the request for an opinion does not originate from the court.