519.18—Amendment or replacement of a full-time student certificate.
In the absence of an objection by the employer (which may be resolved in the manner provided in part 528 of this chapter) the authorized officer upon his/her own motion may amend the provisions of a certificate when it is necessary by reason of the amendment of these regulations, or may withdraw a certificate and issue a replacement certificate when necessary to correct omissions or apparent defects in the original certificates.