; and (3) in subsection (e), by adding at the end the following: (5) If an agency head submits a report to the Special Counsel under subsection (d) that includes a description of any agency action proposed to be taken as a result of the investigation, the agency head shall, not later than 180 days after the date of such submission, submit a supplemental report to the Special Counsel stating whether any proposed action has been taken, and if the action has not been taken, the reason why it has not been taken. . 5. Termination of certain OSC investigations (a) In general Section 1214(a) of title 5, United States Code, is amended by adding at the end the following: (6) (A) Within 30 days of receiving an allegation from a person under paragraph (1), the Special Counsel may terminate an investigation under such paragraph with respect to the allegation, without further inquiry or an opportunity for the person to respond, if the Special Counsel determines that— (i) the same allegation, based on the same set of facts and circumstances— (I) had previously been made by the person and previously investigated by the Special Counsel; or (II) had previously been filed by the person with the Merit Systems Protection Board; (ii) the Office of Special Counsel does not have jurisdiction to investigate the allegation