; 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 paragraph (1) or (2) 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 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); or (III) by the complainant within 120 days after the date of filing the complaint, if the Secretary has not issued a decision under paragraph (5) (B). (ii) Reinstatement order The request for a hearing shall not operate to stay any preliminary reinstatement order issued under paragraph (6) . (B) Procedures (i) In general A hearing requested under this paragraph shall be conducted expeditiously and in accordance with rules established by the Secretary for hearings conducted by administrative law judges. (ii) Subpoenas