; and (iv) the person or entity has not corrected the failure voluntarily within such period. (C) Exception for pattern or practice violators Subparagraph (A) shall not apply to a person or entity that has or is engaging in a pattern or practice of violations of subsection (a)(1)(A) or (a)(2). (8) Single extension of deadlines upon certification In a case in which the Secretary of Homeland Security has certified to the Congress that the employment eligibility verification system required under subsection (d) will not be fully operational by the date that is 6 months after the date of the enactment of the Legal Workforce Act, each deadline established under this section for an employer to make an inquiry using such system shall be extended by 6 months. No other extension of such a deadline shall be made except as authorized under paragraph (1)(D)(iv). . (b) Date of hire Section 274A(h) of the Immigration and Nationality Act ( 8 U.S.C. 1324a(h) ) is amended by adding at the end the following: (4) Definition of date of hire As used in this section, the term date of hire means the date of actual commencement of employment for wages or other remuneration, unless otherwise specified. . 3. Employment eligibility verification system Section 274A(d) of the Immigration and Nationality Act ( 8 U.S.C. 1324a(d) ) is amended to read as follows: (d) Employment eligibility verification system (1) In general Patterned on the employment eligibility confirmation system established under section 404 of the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 ( 8 U.S.C. 1324a note), the Secretary of Homeland Security shall establish and administer a verification system through which the Secretary (or a designee of the Secretary, which may be a nongovernmental entity)— (A) responds to inquiries made by persons at any time through a toll-free telephone line and other toll-free electronic media concerning an individual’s identity and whether the individual is authorized to be employed