Each employer receiving such notification of an incorrect social security account number under clause (ii) shall use the verification system described in subsection (d) to check the work eligibility status of the applicable employee within 10 business days of receipt of the notification. (C) On a voluntary basis Subject to paragraph (2), and subparagraphs (A) through (C) of this paragraph, beginning on the date that is 30 days after the date of the enactment of the Legal Workforce Act, an employer may make an inquiry, as provided in subsection (d), using the verification system to seek verification of the identity and employment eligibility of any individual employed by the employer. If an employer chooses voluntarily to seek verification of any individual employed by the employer, the employer shall seek verification of all individuals employed at the same geographic location or, at the option of the employer, all individuals employed within the same job category, as the employee with respect to whom the employer seeks voluntarily to use the verification system. An employer’s decision about whether or not voluntarily to seek verification of its current workforce under this subparagraph may not be considered by any government agency in any proceeding, investigation, or review provided for in this Act. (D) Verification Paragraph (1)(C)(ii) shall apply to verifications pursuant to this paragraph on the same basis as it applies to verifications pursuant to paragraph (1), except that employers shall— (i) use a form designated or established by the Secretary by regulation for purposes of this paragraph