; (B) notarized; and (C) made under penalty of perjury and subject to the provisions of section 1001 of title 18, United States Code. (3) Action by the administration Subject to paragraph (4), based on the allegations in a complaint filed under paragraph (1), and such investigations the Administration deems necessary and appropriate, the Administration may— (A) initiate a civil enforcement action under section 373 if the Administration finds reasonable grounds to believe a violation has occurred or is about to occur; or (B) dismiss the complaint. (4) Prohibition of anonymous complaints The Commission may not conduct any investigation or take any other action under this section solely on the basis of a complaint of a person whose identity is not disclosed to the Administration. (5) Recovery of costs Any person who has filed a complaint under paragraph (1) shall be entitled to recover from the Administration up to $1,000 of the costs incurred in preparing and filing the complaint if, based on the complaint, the Administration— (A) makes a finding under section 373(a) that a person has violated (or is about to violate) the Act; or (B) enters into a conciliation agreement with a person under section 373(c). (b) Notice and Opportunity To Demonstrate No Violation Prior to initiating an enforcement action under subsection (a)(3)(A), the Administration shall give any person named in a complaint notice and an opportunity to demonstrate that there are no reasonable grounds to believe a violation described in such subsection has occurred or is about to occur, but the Administration’s determination under subsection (a)(3) shall not be subject to judicial review in an action brought by such person. (c) Failure by the Administration To Take Timely Action (1) In general If the Administration— (A) dismisses a complaint filed under subsection (a)