; and (ii) retain a paper, microfiche, microfilm, or electronic version of the form and make it available for inspection by officers of the Department of Homeland Security, the Department of Justice, or the Department of Labor during the period beginning on the date the reverification commences and ending on the date that is the later of 3 years after the date of such reverification or 1 year after the date the individual’s employment is terminated. (3) Previously hired individuals (A) On a mandatory basis for certain employees (i) In general Not later than the date that is 6 months after the date of the enactment of the Legal Workforce Act, an employer shall make an inquiry, as provided in subsection (d), using the verification system to seek verification of the identity and employment eligibility of any individual described in clause (ii) employed by the employer whose employment eligibility has not been verified under the E-Verify Program described in section 403(a) of the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 ( 8 U.S.C. 1324a note). (ii) Individuals described An individual described in this clause is any of the following: (I) An employee of any unit of a Federal, State, or local government. (II) An employee who requires a Federal security clearance working in a Federal, State or local government building, a military base, a nuclear energy site, a weapons site, or an airport or other facility that requires workers to carry a Transportation Worker Identification Credential (TWIC). (III) An employee assigned to perform work in the United States under a Federal contract, except that this subclause— (aa) is not applicable to individuals who have a clearance under Homeland Security Presidential Directive 12 (HSPD 12 clearance), are administrative or overhead personnel, or are working solely on contracts that provide Commercial Off The Shelf goods or services as set forth by the Federal Acquisition Regulatory Council, unless they are subject to verification under subclause (II)