; (II) may be used for immigration enforcement purposes; and (III) may not be used to discriminate or to take adverse action against a national of the United States or an alien who has employment authorized status. (v) Provision of additional information The employer shall obtain from the individual (and the individual shall provide) and shall record in such manner as the Secretary may specify— (I) the individual’s social security account number; (II) if the individual does not attest to United States citizenship or status as a national of the United States under subsection (c)(2), such identification or authorization number established by the Department as the Secretary shall specify; and (III) such other information as the Secretary may require to determine the identity and employment authorization of an individual. (vi) Presentation of documentation The employer, and the individual whose identity and employment authorized status are being confirmed, shall fulfill the requirements under subsection (c). (B) Seeking confirmation (i) In general An employer shall use the System to confirm the identity and employment authorized status of any individual during— (I) the period beginning on the date on which the individual accepts an offer of employment and ending 3 business days after the date on which employment begins