Yes, they can loose Magnet certification.
Q. What happens when there is an unfair labor charge or grievance pending?
A. In the five years preceding application, the applicant nursing service must not have committed an unfair labor practice as determined in a fully and finally adjudicated proceeding before the National Labor Relations Board (NLRB). If there is an unfair labor grievance pending, then the application process is halted until the pending grievance has been resolved or adjudicated. The interested applicant must wait five years following the finding of an unfair labor practice to apply for Magnet designation.
Magnet Staff nurse survey:
Q. How is a consumer concern handled?
A. All concerns regarding Magnet Organizations should be submitted to the Magnet Program Office by e-mail to firstname.lastname@example.org
or by regular mail, to the American Nurses Credentialing Center, 600 Maryland Ave., S.W., Suite 100 West, Washington, DC 20024-2571. Letters may be anonymous. Concerns should be factual, dates and locations (where the incident occurred) should be included as well as specific details surrounding the event. A letter of inquiry is sent to the organization regarding the concern. The response with detailed supporting documentation is submitted to the Commission on Magnet for review and final outcome. The Commission decisions can range from acceptance of the facilities response to removal of the Magnet Designation.