36 C.F.R. § 1260.2 Definitions.
Title 36 - Parks, Forests, and Public Property
(a) Classified national security information or classified information means information that has been determined under EO 12958, as amended, or any predecessor order to require protection against unauthorized disclosure and is marked to indicate its classified status when in documentary form. (b) Declassification means the authorized change in the status of information from classified information to unclassified information. (c) Systematic declassification review means the review for declassification of classified information contained in records that have been determined by the Archivist of the United States to have permanent historical value in accordance with 44 U.S.C. 2107. (d) Mandatory declassification review means the review for declassification of classified information in response to a request for declassification that meets the requirements under section 3.5 of EO 12958, as amended. (e) Integral file block means a distinct component of a file series, as defined in this section, that should be maintained as a separate unit in order to ensure the integrity of the records. An integral file block may consist of a set of records covering either a specific topic or a range of time such as presidential administration or a 5-year retirement schedule within a specific file series that is retired from active use as a group. (f) File series means file units or documents arranged according to a filing system or kept together because they relate to a particular subject or function, result from the same activity, document a specific kind of transaction, take a particular physical form, or have some other relationship arising out of their creation, receipt, or use, such as restrictions on access or use.
Title 36: Parks, Forests, and Public Property
PART 1260—DECLASSIFICATION OF NATIONAL SECURITY INFORMATION
Subpart A—General Information
§ 1260.2 Definitions.
