public a notice of such assignment or reassignment. (c) Limitation on withholding of certain information or notice (1) Limitation The Secretary of a military department may not withhold the information or notice specified in subsections (a) and (b) from public availability pursuant to subsection (a), unless and until the Secretary notifies the Committees on Armed Services of the Senate and the House of Representatives in writing of the information or notice that will be so withheld, together with justification for withholding the information or notice from public availability. (2) Limited duration of withholding The Secretary concerned may withhold from the public under paragraph (1) information or notice on an officer only on the bases of individual risk to the officer or in the interest of national security, and may continue to withhold such information or notice only for so long as the basis for withholding remains in force. B Reserve Component Management 511. Repeal of requirement for review of certain Army Reserve officer unit vacancy promotions by commanders of associated active duty units Section 1113 of the Army National Guard Combat Readiness Reform Act of 1992 ( 10 U.S.C. 10105 note) is repealed. C General Service Authorities 515. Modification of authorities on management of deployments of members of the Armed Forces and related unit operating and personnel tempo matters (a) Limitation on scope of delegations of approval of exceptions to deployment thresholds Paragraph (3) of subsection (a) of section 991 of title 10, United States Code, is amended by striking be delegated to— and all that follows and inserting be delegated to a civilian officer of the Department of Defense appointed by the President, by and with the advice and consent of the Senate. . (b) Separate policies on dwell time for regular and reserve members Paragraph (4) of such subsection is amended— (1) by striking addresses the amount and inserting “addresses each of the following: (1) The amount