; (III) an individual’s unexpired Native American tribal identification document that contains a photograph and was issued by a tribal entity recognized by the Bureau of Indian Affairs; or (IV) in the case of an individual who is younger than 18 years of age, a parent or legal guardian’s attestation under penalty of law as to the identity and age of the individual. (v) Authority to prohibit use of certain documents If the Secretary of Homeland Security finds, by regulation, that any document described in clause (ii), (iii), or (iv) as establishing employment authorization or identity does not reliably establish such authorization or identity or is being used fraudulently to an unacceptable degree, the Secretary may prohibit or place conditions on its use for purposes of this paragraph. (B) Individual attestation of employment authorization (i) In general During the verification period, the individual shall— (I) attest, by either a handwritten or electronic signature, under penalty of perjury, and on the form designated or established for purposes of subparagraph (A), that the individual is a citizen or national of the United States, an alien lawfully admitted for permanent residence, or an alien who is authorized under this Act or by the Secretary of Homeland Security to be hired, recruited, or referred for such employment