Eligible persons may complete registration forms at the career planning and placement center establishing placement credentials to be placed in the center's placement credentials file. The center may charge fees for its services and its schedule of fees shall be prominently posted within the center. Placement center services may be denied any individual who fails to pay placement fees when due. The center shall not duplicate or mail incomplete credential files, individual recommendations or personal resumes. Credentials are confidential and may only be sent to legitimate prospective employers or transferred to other educational institutions for establishment there of placement credentials.