; (II) any trade association or union that represents any person described in subclause (I); and (III) any foreign national hired for work in the United States pursuant to a nonimmigrant visa who believes he or she is subject to potentially unlawful workplace conditions or requirements. (iii) Process for foreign national complainants The Secretary of Labor and the Secretary of Homeland Security shall devise a process under which an H–1B nonimmigrant who files a complaint regarding a violation under this subsection and is otherwise eligible to remain and work in the United States may be allowed to seek other appropriate employment in the United States for a period not to exceed the maximum period of stay authorized for such nonimmigrant classification. (iv) Program pause for initiation of investigation In any situation in which the Secretary of Labor commences an investigation of a petitioner employer under this paragraph, the Secretary of Labor may— (I) cease processing any application that is submitted under this subsection and filed by such petitioner employer until the conclusion of such investigation; and (II) suspend such petitioner employer’s usage of currently issued H–1B nonimmigrant visas, until the conclusion of such investigation. (C) Initiation of investigation Not later than 30 days after the date on which a complaint is filed with the Department of Labor under this paragraph, the Secretary of Labor— (i) shall determine whether a reasonable basis exists to make a finding under subparagraph (D); (ii) not later than 30 days after the date of such determination, shall provide for notice of such determination to the interested parties and an opportunity for a hearing on such determination, in accordance with section 556 of title 5, United States Code; (iii) if such a hearing is requested and held, shall make a finding concerning the matter not later than 30 days after the date of such hearing