; relating to Government procurement). (E) Verification period defined (i) In general For purposes of this paragraph: (I) In the case of recruitment or referral, the term verification period means the period ending on the date recruiting or referring commences. (II) In the case of hiring, the term verification period means the period beginning on the date on which an offer of employment is extended and ending on the date that is three business days after the date of hire, except as provided in clause (iii). The offer of employment may be conditioned in accordance with clause (ii). (ii) Job offer may be conditional A person or other entity may offer a prospective employee an employment position that is conditioned on final verification of the identity and employment eligibility of the employee using the procedures established under this paragraph. (iii) Special rule Not­with­stand­ing clause (i)(II), in the case of an alien who is authorized for employment and who provides evidence from the Social Security Administration that the alien has applied for a social security account number, the verification period ends three business days after the alien receives the social security account number. (2) Reverification for individuals with limited work authorization (A) In general Except as provided in subparagraph (B), a person or entity shall make an inquiry, as provided in subsection (d), using the verification system to seek re­ver­i­fi­ca­tion of the identity and employment eligibility of all individuals with a limited period of work authorization employed by the person or entity during the three business days after the date on which the employee's work authorization expires as follows: (i) With respect to employers having 10,000 or more employees in the United States on the date of the enactment of the Legal Workforce Act, beginning on the date that is 6 months after the date of the enactment of such Act. (ii) With respect to employers having 500 or more employees in the United States, but less than 10,000 employees