8 CFR § 205.2 - Revocation on notice.
(a) General. Any Service officer authorized to approve a petition under section 204 of the Act may revoke the approval of that petition upon notice to the petitioner on any ground other than those specified in § 205.1 when the necessity for the revocation comes to the attention of this Service.
(b) Notice of intent. Revocation of the approval of a petition of self-petition under paragraph (a) of this section will be made only on notice to the petitioner or self-petitioner. The petitioner or self-petitioner must be given the opportunity to offer evidence in support of the petition or self-petition and in opposition to the grounds alleged for revocation of the approval.
(c) Notification of revocation. If, upon reconsideration, the approval previously granted is revoked, the director shall provide the petitioner or the self-petitioner with a written notification of the decision that explains the specific reasons for the revocation. The director shall notify the consular officer having jurisdiction over the visa application, if applicable, of the revocation of an approval.
(d) Appeals. The petitioner or self-petitioner may appeal the decision to revoke the approval within 15 days after the service of notice of the revocation. The appeal must be filed as provided in part 3 of this chapter, unless the Associate Commissioner for Examinations exercises appellate jurisdiction over the revocation under part 103 of this chapter. Appeals filed with the Associate Commissioner for Examinations must meet the requirements of part 103 of this chapter.