In the light of the reports sent to him pursuant to Article L. 8271-17 of the Labour Code, the Director General of the French Office for Immigration and Integration shall indicate to the employer, by registered letter with acknowledgement of receipt or by any other means allowing proof of its date of receipt by the addressee, that the provisions of Article L. 822-2 are likely to be applied to him and that he may present his observations within a period of fifteen days.