§2001.21. Original classification. — Inbound Citations
32 C.F.R. § 2001.21
Cited by 5 regulations in release 2026-08-27.
Citations to 32 C.F.R. § 2001.21 as a whole
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(c) Documents classified derivatively shall bear all markings prescribed by 32 CFR 2001.20 through 2001.23 and shall otherwise conform to the requirements of 32 CFR 2001.20 through 2001.23.
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(a) Information classified derivatively on the basis of source documents or classification guides shall bear all markings prescribed in § 2001.20 and § 2001.21, except as provided in this section. Information for these markings shall be carried forward from the source document or taken from instructions in the appropriate classification guide.
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(c) Documents classified derivatively shall bear all markings prescribed by 32 CFR 2001.20 through 2001.23 and shall otherwise conform to the requirements of 32 CFR 2001.20 through 2001.23.(1) The authority for classification shall be shown as follows:(i) “Classified by (description of source documents or classification guide),” or(ii) “Classified by multiple sources,” if a document is classified on the basis of more than one source document or classification guide.(iii) In these cases, the derivative classifier shall maintain the identification of each source with the file or record copy of the derivatively classified document. A document derivatively classified on the basis of a source document that is marked “Classified by Multiple Sources” shall cite the source document in its “Classified by” line rather than the term “Multiple sources.”(2) s. Date or events for automatic declassification or downgrading, or the notation “Originating Agency's Determination Required” to indicate that the document is not to be declassified automatically, shall be carried forward from the source document, or as directed by a classification guide, and shown on “declassify on” line as follows:“Declassify on: (date, description of event);” or “Originating Agency's Determination Required (OADR).”
Citations to §2001.21(b)
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(f) The derivative classifier shall conspicuously mark the classified document with the highest level of classification of information included in the document, as provided in § 2001.21(b).
Citations to §2001.21(c)
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(g) Each portion of a derivatively classified document shall be marked immediately preceding the portion to which it applies, in accordance with its source, and as provided in § 2001.21(c).