From the day of receipt of the injunction referred to in Article L. 1262-4-3, the employer posting employees and, where applicable, the principal contracting with the latter shall inform the project owner or the principal within seven days of the measures taken to put an end to the situation.
The client or the instructing party shall immediately forward this information to the enforcement officer who issued the alert or inform the latter, as soon as the time limit has expired, of the absence of a response.