Declassification Instructions on Derivatively Classified Documents:When a document is <strong>classified</strong> derivatively ei<strong>the</strong>r from a source document(s) or a classification <strong>guide</strong>that contains one of <strong>the</strong> following obsolete <strong>dec</strong>lassification instructions, ‘‘Originating Agency’sDetermination Required,’’ ‘‘OADR,’’ or “Manual Review,” “MR,” or any of <strong>the</strong> exemption <strong>marking</strong>sX1, X2, X3, X4, X5, X6, X7, and X8, <strong>the</strong> derivative classifier shall calculate a date that is 25 yearsfrom <strong>the</strong> date of <strong>the</strong> source document when determining a derivative document’s date or event to beplaced in <strong>the</strong> “Declassify On” line.Source DocumentFebruary 15, 2004Department of Good WorksWashington, D.C. 20006MEMORANDUM FOR THE DIRECTORFrom: John E. Doe, Chief Division 5Subject: (U) ExamplesSECRETNOTE: “MR” (Manual Review) wasnei<strong>the</strong>r intended nor authorized as a<strong>marking</strong> for <strong>the</strong> “Declassify on” lineon documents <strong>classified</strong> under anyexecutive order. If “MR” appears in<strong>the</strong> “Declassify on” line of a sourcedocument, mark <strong>the</strong> derivativedocument with a <strong>dec</strong>lassification dateno more than 25 years from <strong>the</strong> dateof <strong>the</strong> source document.1. (U) Paragraph 1 contains “Un<strong>classified</strong>” information.Therefore, this portion will be marked with <strong>the</strong>designation “U” in paren<strong>the</strong>ses preceding <strong>the</strong> portion.2. (S) Paragraph 2 contains “Secret” information.Therefore, this portion will be marked with <strong>the</strong>designation “S” in paren<strong>the</strong>ses preceding <strong>the</strong> portion.3. (C) Paragraph 3 contains “Confidential” information.Therefore, this portion will be marked with <strong>the</strong>designation “C” in paren<strong>the</strong>ses preceding <strong>the</strong> portion.Classified By: John E. Doe, Chief Division 5Reason: 1.4(a)Declassify On: MRSECRETDerivative DocumentDo not carry forward “MR.”Change “MR” to 25 years from <strong>the</strong>date of <strong>the</strong> source documentClassified By: Joan Smith, Program AnalystDerived From: Department of Good Works Memorandumdated Feb 15, 2004, Subj: (U) ExamplesDeclassify On: 20290215SECRETIf <strong>the</strong> source document does not contain a date, <strong>the</strong>n <strong>the</strong> <strong>dec</strong>lassification date on <strong>the</strong> derivativedocument will be 25 years from <strong>the</strong> date of <strong>the</strong> derivative document’s creation.- 22 -
Declassification Instructions on Derivatively Classified Documents:When a source document contains <strong>the</strong> <strong>dec</strong>lassification instruction “DNI Only” or “DCI Only,” <strong>the</strong>derivative document will be marked as “Declassify On: 25X1, E.O. 12951.”Source DocumentSECRETFebruary 15, 2004Department of Good WorksWashington, D.C. 20006MEMORANDUM FOR THE DIRECTORFrom: John E. Doe, Chief Division 5Subject: (U) Examples1. (U) Paragraph 1 contains “Un<strong>classified</strong>” information.Therefore, this portion will be marked with <strong>the</strong>designation “U” in paren<strong>the</strong>ses preceding <strong>the</strong> portion.2. (S) Paragraph 2 contains “Secret” information.Therefore, this portion will be marked with <strong>the</strong>designation “S” in paren<strong>the</strong>ses preceding <strong>the</strong> portion.Classified By: John E. Doe, Chief Division 5Reason: 1.4(a)Declassify On: DNI OnlySECRETDerivative DocumentChange “DNI Only” or “DCI Only” to“25X1, E.O. 12951.”Classified By: Joan Smith, Program AnalystDerived From: Department of Good Works Memorandumdated Feb 15, 2004, Subj: (U) ExamplesDeclassify on: 25X1, E.O. 12951SECRETNOTE: E.O. 12951, Release of Imagery Acquired by Space-Based National IntelligenceReconnaissance Systems, gives <strong>the</strong> Director of National Intelligence (DNI) <strong>the</strong> authority to<strong>dec</strong>lassify intelligence imagery.- 23 -