(a) In general Except as provided in subsections (b) and (c), the Secretary of Homeland Security may not use information obtained or recorded pursuant to this Act to assist in immigration enforcement actions taken against any sponsor, potential sponsor, custodian, potential custodian, or household member of a child or apprehended parent or legal guardian. (b) Exception Subsection (a) does not apply to the use of information described in that subsection about a particular sponsor, potential sponsor, custodian, potential custodian, or household member for purposes of a law enforcement investigation related to— (1) forced labor or human trafficking under section 1589, 1590, or 1591 of title 18, United States Code