Any project owner or client who is informed by an agent mentioned in article L. 8271-1-2 of an infringement by the employer of one of the legal provisions or contractual stipulations listed in article L. 8281-1 shall be liable to a fine of the fifth class :
1° Who has not enjoined the employer to put an end to the situation within the period mentioned in article R. 8281-1 ; or
2° Who has not informed the control officer who issued the alert of the employer’s failure to respond within the time limit mentioned in article R. 8281-3.