This part, in accordance with the authority in DoD Directive 5110.4, implements policy and updates procedures for the programs that permit authorized personnel to perform historical research in records created by or in the custody of Office of the Secretary of Defense (OSD) consistent with Executive Order 13526; DoD Manual 5230.30, “DoD Mandatory Declassification Review (MDR) Program” (available at http://www.dtic.mil/whs/directives/corres/pdf/523030m.pdf); 32 CFR part 286; 32 CFR part 310; DoD Manual 5200.01, “DoD Information Security Program” Volumes 1-4 (available at http://www.dtic.mil/whs/directives/corres/pdf/520001__vol1.pdf, http://www.dtic.mil/whs/directives/corres/pdf/520001__vol2.pdf, http://www.dtic.mil/whs/directives/corres/pdf/520001__vol3.pdf, and http://www.dtic.mil/whs/directives/corres/pdf/520001__vol4.pdf); 36 CFR 1230.10 and 36 CFR part 1236; DoD Directive 5230.09, “Clearance of DoD Information for Public Release” (available at http://www.dtic.mil/whs/directives/corres/pdf/523009p.pdf); and 32 CFR 197.5.