; and (ii) for such equitable relief as may be appropriate, including employment, reinstatement, and promotion. (C) Fees and costs The court in an action under this subsection shall, in addition to any judgment awarded to the plaintiff, allow a reasonable attorney’s fee, reasonable expert witness fees, and other costs to be paid by the defendant. (D) Limitations (i) In general Except as provided in subparagraph (B), an action may be brought under paragraph (2) or (3) not more than 2 years after the date of the last event constituting the alleged violation for which the action is brought. (ii) Willful violation In the case of an action brought for a willful violation of section 5 (including a willful violation relating to rights provided under section 3), such action may be brought not more than 3 years after the last event constituting the alleged violation for which such action is brought. (iii) Commencement In determining when an action is commenced under paragraph (2) or (3) for the purposes of this subsection, the action shall be considered to be commenced on the date when the complaint is filed. (4) Actions by the Secretary (A) Administrative actions The Secretary shall receive, investigate, and attempt to resolve complaints of violations of section 5 in the same manner that the Secretary receives, investigates, and attempts to resolve complaints of violations of sections 6 and 7 of the Fair Labor Standards Act of 1938 (29 U.S.C. 206 and 207). (B) Civil action The Secretary may bring an action in any court of competent jurisdiction to recover the damages described in subsection (a)(3)(B). (C) Sums recovered Any sums recovered by the Secretary pursuant to subparagraph (B) shall be held in a special deposit account and shall be paid, on order of the Secretary, directly to each employee or individual affected. Any sums not paid to an employee or individual affected because of the inability to do so within a period of 3 years shall be deposited into the Treasury of the United States as miscellaneous receipts.