; (2) that the reexamination shall occur within 1 year from the date of the notice provided by the Administrator, however, if the reexamination is not conducted within 30 days, the Administrator may restrict passenger carrying operations; (3) that if such reexamination is not conducted after 1 year from date of notice, the airman certificate of the individual may be suspended or revoked; and (4) when, as determined by the Administrator, an oral or written response to the notification from the Administrator is not required. (c) Exception Nothing in this section prohibits the Administrator from reexamining a certificate holder if the Administrator has reasonable grounds— (1) to establish that an airman may not be qualified to exercise the privileges of a certificate or rating based upon an act or omission committed by the airman while exercising such privileges or performing ancillary duties associated with the exercise of such privileges; or (2) to demonstrate that the airman obtained such a certificate or rating through fraudulent means or through an examination that was inadequate to establish the qualifications of an airman. (d) Standard of review An order issued by the Administrator to amend, modify, suspend, or revoke an airman certificate after reexamination of the airman is subject to the standard of review provided for under section 2 of this Act. . 802. GAO review of Pilot’s Bill of Rights (a) In general Not later than 2 years after the date of enactment of this Act, the Comptroller General shall submit to the appropriate committees of Congress a study of the implementation of the Pilot’s Bill of Rights. (b) Contents In conducting the study under subsection (a), the Comptroller General shall review— (1) the implementation and application of the Pilot’s Bill of Rights; (2) the application of the Federal Rules of Civil Procedure and the Federal Rules of Evidence to covered proceedings by the National Transportation Safety Board, as required by section 2 of the Pilot’s Bill of Rights