The temporary cessation of activity following the formal notice procedure provided for in articles R. 4721-6 et seq. is the subject of a reasoned decision including the factual and legal elements characterising the persistence of the dangerous situation and the injunction to the employer to take appropriate measures to remedy it, as well as the means of appeal provided for in article L. 4731-4 .
This decision is notified to the employer either by hand-delivery against receipt, or by registered letter with acknowledgement of receipt. It takes effect on the day of delivery of the notification or the day of presentation of the registered letter.