; (B) all responses received by the institution from the complainant; and (C) any additional actions that the institution has taken, or plans to take, in response to the complaint or inquiry. (3) Further investigation The Secretary may, in the event that the complaint is not adequately resolved or addressed by the responses of the institution of higher education receiving funds under this Act under paragraph (2), ask additional questions of such institution or seek additional information from or action by the institution. (4) Provision of information (A) In general An institution of higher education that receives funds under this Act shall, in a timely manner, comply with a request by the Secretary for information in the control or possession of such institution concerning a complaint or inquiry received by the Secretary under subsection (a), including supporting written documentation, subject to subparagraph (B). (B) Exceptions An institution of higher education that receives funds under this Act shall not be required to make available under this subsection— (i) any nonpublic or confidential information, including any confidential commercial information; (ii) any information collected by the institution for the purpose of preventing fraud or detecting or making any report regarding other unlawful or potentially unlawful conduct