; and (III) providing the complainant an opportunity to— (aa) receive any statements or evidence provided to the Secretary; (bb) meet with the Secretary; and (cc) rebut any statements or evidence; and (ii) may include issuing subpoenas for the purposes of such investigation. (B) Decision Not later than 90 days after the filing of the complaint under this paragraph, the Secretary shall— (i) determine whether reasonable cause exists to believe that a violation of subsection (c)(1) or paragraph (2) of this subsection has occurred; and (ii) issue a decision granting or denying relief. (6) Preliminary order following investigation If, after completion of an investigation under paragraph (5)(A), the Secretary finds reasonable cause to believe that a violation of subsection (c)(1) or paragraph (2) of this subsection has occurred, the Secretary shall issue a preliminary order providing relief authorized under paragraph (14) at the same time the Secretary issues a decision under paragraph (5)(B). If a de novo hearing is not requested within the time period required under paragraph (7)(A)(i), such preliminary order shall be deemed a final order of the Secretary and is not subject to judicial review. (7) Hearing (A) Request for hearing (i) In general A de novo hearing on the record before an administrative law judge may be requested— (I) by the complainant or respondent within 30 days after receiving notification of a decision granting or denying relief issued under paragraph (5)(B) or a preliminary order under paragraph (6), respectively; (II) by the complainant within 30 days after the date the complaint is dismissed without investigation by the Secretary under paragraph (5)(A)