; and (B) what, if any, consequences the establishment actually imposed to hold the official described in subparagraph (A) accountable; (15) information related to interference by the establishment, including— (A) a detailed description of any attempt by the establishment to interfere with the independence of the Office, including— (i) with budget constraints designed to limit the capabilities of the Office; and (ii) incidents where the establishment has resisted or objected to oversight activities of the Office or restricted or significantly delayed access to information, including the justification of the establishment for such action; and (B) a summary of each report made to the head of the establishment under section 406(c)(2) of this title during the reporting period; and (16) detailed descriptions of the particular circumstances of each— (A) inspection, evaluation, and audit conducted by the Office that is closed and was not disclosed to the public; and (B) investigation conducted by the Office involving a senior Government employee that is closed and was not disclosed to the public. (c) Furnishing Semiannual Reports to Head of Establishment and Congress Semiannual reports of each Inspector General shall be furnished to the head of the establishment involved not later than April 30 and October 31 of each year and shall be transmitted by the head of the establishment to the appropriate congressional committees within 30 days after receipt of the report, together with a report by the head of the establishment containing— (1) any comments the head of the establishment determines appropriate; (2) where final action on audit, inspection, and evaluation reports had not been taken before the commencement of the reporting period, statistical tables showing— (A) with respect to management decisions— (i) for each report, whether a management decision was made during the reporting period