; or (II) such other reasonable period as the Secretary may prescribe. (ii) Limitation An employer may not make the starting date of an individual’s employment or training or any other term and condition of employment dependent on the receipt of a confirmation of identity and employment authorized status by the System. (iii) Reverification If an individual has a limited period of employment authorized status, the individual's employer shall reverify such status through the System not later than 3 business days after the last day of such period. (iv) Other employment For employers directed by the Secretary to participate in the System under paragraph (2)(C)(i) to protect critical infrastructure or otherwise specified circumstances in this section to verify their entire workforce, the System may be used for initial verification of an individual who was hired before the employer became subject to the System, and the employer shall initiate all required procedures on or before such date as the Secretary shall specify. (v) Notification (I) In general The Secretary shall provide, and the employer shall utilize, as part of the System, a method of notifying employers of a confirmation or nonconfirmation of an individual’s identity and employment authorized status, or a notice that further action is required to verify such identity or employment eligibility (referred to in this subsection as a further action notice ). (II) Procedures The Secretary shall— (aa) directly notify the individual and the employer, by means of electronic correspondence, mail, text message, telephone, or other direct communication, of a nonconfirmation or further action notice; (bb) provide information about filing an administrative appeal under paragraph (6) and a filing for review before an administrative law judge under paragraph (7)