INDEX


              PART C - CLASSIFICATION/SECURITY MARKINGS

1.  GENERAL.

    a.   All document originators are responsible for ensuring that the
         necessary classification/security markings are placed on a
         classified document.  These include:

         (1)  Classification level;

         (2)  Classification category;

         (3)  Date of classification;

         (4)  Name, position title, and organization of the Authorized
              Classifier;

         (5)  Designation of the guide or source document, if derivatively
              classified (NSI only);

         (6)  Duration of classification (NSI only);

         (7)  Office of origin; and

         (8)  Special markings (if required).

         Refer to DOE 5635.1A, CONTROL OF CLASSIFIED DOCUMENTS AND
         INFORMATION, for rules concerning the use, format, and placement of
         classification security markings.  This Order describes only
         certain markings directly related to the classification of a
         document.

2.  CLASSIFICATION AUTHORITY.  All NSI classified documents must indicate
    the source of classification authority (i.e., a classification guide or
    a source document) which is the basis for the document's classification.
    For NSI, RD, and FRD documents, the name, position title, and
    organization of the Authorized Classifier of the document must be
    indicated.  Documents originated by individuals without appropriate
    classification authority must be reviewed by an Authorized Classifier
    having the appropriate authority when it is reasonable to expect that
    the documents contain classified information or when regulations or
    other requirements apply.  Note that the identification of the
    classifier of a document, as required in the following paragraphs, is
    the Authorized Classifier who makes the classification determination.
    This may or may not be the individual who might prepare or sign the
    document.

    a.   Restricted Data or Formerly Restricted Data.  The following rules
         apply to all classified documents that contain RD or FRD,
         regardless of whether they also contain NSI.

         (1)  The basic classification authority for documents that contain
              RD or FRD is the Atomic Energy Act.  These documents are
              always derivatively classified and may, therefore, be
              classified by an Original or Derivative Classifier.  The
              "Derivative Classifier" line on the document must be completed
              with the name, position title, and organization of the
              classifier of the document.  In those cases where the signer
              of the document itself is the Derivative Classifier, the word
              "signer" may be substituted for the name and position title of
              the classifier.

    b.   National Security Information Only.  The following rules apply to
         classified documents that contain only NSI (i.e., they do not
         contain any RD or FRD).

         (1)  Originally Classified.  If the classification of a document is
              not based on classification guides or source documents, the
              document must be classified by an Original Classifier.  The
              "Originally Classified by" line on the document must be
              completed with the name, position title, and organization of
              the Original Classifier.  In those cases where the signer of
              the document itself is the Original Classifier, the word
              "signer" may be substituted for the name and position title of
              the Original Classifier.  (Note:  Such documents must be
              portion marked.  See page V-16, Chapter V, Part C, paragraph
              5, for more detailed information.)

         (2)  Derivatively Classified.  If the classification of a document
              is based on the use of a classification guide, a source
              document, or an Original Classifier's determination, the
              document must be classified by an Original or Derivative
              Classifier.  The "Derivatively Classified by" line on the
              document must include the identity of the classification
              source (e.g., a classification guide or the date and
              originator of the source document that served as the basis for
              the classification determination).  The "Derivative
              Classifier" line on the document must be completed with the
              name, position title, and organization of the classifier of
              the document.  In those cases where the signer of the
              document itself is the Derivative Classifier, the word
              "signer" may be substituted for the name and position title of
              the classifier.

         (3)  More Than One Classification Source.  If the classification of
              a document is based on more than one classification guide,
              source document, or Original Classifier determination, the
              "Derivatively Classified by" line must include the term
              "Multiple Sources."  The classifier shall include the
              identification of each classification source, as specified in
              the previous two paragraphs, with the file or record copy of
              the document.  Otherwise, the rules for classification
              marking are as specified in the two preceding paragraphs.

3.  DURATION OF CLASSIFICATION.

    a.   Restricted Data or Formerly Restricted Data.  Documents that
         contain RD or FRD (regardless of whether they also contain NSI)
         remain classified indefinitely.  Therefore, they are never to be
         marked for declassification or review.  Such documents do not
         require a "Declassify on" line.

    b.   National Security Information Only.  Documents that contain NSI
         (i.e., they do not contain any RD or FRD) shall be marked for
         declassification in accordance with the following:

         (1)  Originally Classified.  If the classification of a document is
              not based on the use of classification guides or source
              documents, the Original Classifier of the document shall set a
              specific date or event for declassification at the time the
              information is originally classified, if possible.  The
              "Declassify on" line on the document must be completed with
              this date or event.  When a specific date or event for
              declassification cannot be determined at the time of original
              classification, the "Declassify on" line on the document must
              be completed with the following:  "Originating Agency's
              Determination Required" or "OADR."

         (2)  Derivatively Classified.

              (a)  If the classification of a document is based on the use
                   of classified information from a source document, the
                   declassification instructions of the source document
                   should be carried forward to the "Declassify on" line of
                   the new document.

                   1  Documents deriving their classification from a source
                      document classified pursuant to Executive Order 12356
                      shall carry forward the declassification instructions
                      from the source document.

                   2  Documents deriving their classification from a source
                      document classified pursuant to predecessors of
                      Executive Order 12356 should be marked for
                      declassification according to the conversion table in
                      Chapter X, Part F.  See also page VI-5, Chapter VI,
                      Part B, paragraph 2.

              (b)  If the classification of a document is based on
                   instructions in a classification guide, those
                   instructions should be followed.

                   1  Documents deriving their classification from a
                      classification guide issued pursuant to Executive
                      Order 12356 shall be marked with the latest date or
                      event for declassification specified for the
                      information concerned or with the indication that the
                      "Originating Agency's Determination (is) Required"
                      (OADR) if this instruction is specified for any
                      information in the document under review.

                   2  Documents deriving their classification from a
                      classification guide issued pursuant to predecessors
                      of Executive Order 12356 should be marked for
                      declassification according to the conversion table in
                      Chapter X, Part F.  See also page VI-5, Chapter VI,
                      Part B, paragraph 2.

              (c)  If the classification of a document is derived from a
                   classification guide or source document that does not
                   specify declassification instructions, the "Declassify
                   on" line should be completed with "OADR."

              (d)  Documents deriving their classification from more than
                   one classification guide or source document shall be
                   marked with the latest occurring date or event for
                   declassification indicated in the classification guides
                   or source documents or with "OADR," as appropriate.

4.  OBSOLETE MARKINGS.  Certain classification or security markings that are
    no longer used or have a different meaning are defined below.  Prior to
    any use or distribution, old documents marked with these terms shall be
    reviewed by a classifier or declassifier to determine their current
    classification status.  The markings of such documents shall be changed
    to show their proper classification.  Pending this review, such
    documents issued in the time periods indicated below shall be
    safeguarded as Confidential-NSI documents.

    a.   Restricted.  The term "Restricted" is an obsolete classification
         marking that identifies a security level less sensitive than
         "Confidential."  Note that "Restricted" is an active classification
         marking still used by some foreign governments and international
         organizations.

    b.   Official Use Only.  From 7-18-49 to 10-22-51, the Atomic Energy
         Commission used the term "Official Use Only" ("OUO") as a security
         marking equivalent to the term "Restricted" defined in the previous
         paragraph.  (Note:  This marking is currently used as a designation
         for certain sensitive but unclassified information which requires
         some degree of protection.)

5.  PORTION MARKING.

    a.   In accordance with the provisions of section 1.5(b) of Executive
         Order 12356, a waiver has been granted to the requirement of that
         section to portion mark the following types of documents:

         (1)  Documents which contain both RD or FRD and NSI.

         (2)  Documents which contain only NSI and which are derivatively
              classified.

    b.   Thus, portion marking is required for documents containing only NSI
         which have been originally classified.

    c.   Any document containing only RD or FRD is not under the
         jurisdiction of Executive Order 12356.  Such a document is not
         portion marked.  (See DOE 5635.1A for the exception regarding
         classification markings on titles of classified documents.)

    d.   This waiver was sought because it is the position of DOE that the
         use of classification guides clearly is a superior method for
         providing guidance to Derivative Classifiers.

    e.   If portion marking an originally classified NSI-only document is
         not practicable, the document shall contain a statement sufficient
         to identify the information that is classified, the level of such
         classification, and the information that is not classified.  If all
         portions of a document are classified at the same level, this fact
         should be indicated by a statement to that effect on the face of
         the document.

6.  SANITIZED DOCUMENTS AND EXTRACTS.  Documents should not be sanitized
    unless sanitization is specifically required or requested.  In the case
    of documents being sanitized in response to FOIA requests, notification
    of sanitization shall be given only to the requester.  Each extract or
    sanitized version of a numbered classified document (i.e., those with
    report numbers, document numbers, etc.) will be assigned a new, unique
    number.  If necessary, the new version may also be identified as being
    an extract or sanitized version of the original document by including
    the term "extract" in the title of the new document.  When an extract is
    declassified, the declassification notice will specifically state that
    the new document is an extract.

7.  MOSAIC COMPILATION.  When a compilation of unclassified or classified
    information must be protected by classifying it at a level higher than
    any of the included information, the overall classification shall be
    placed on the document and the basis for that classification included in
    the document (e.g., on the first or cover page).  In addition, the first
    or cover page of the document shall contain the following statement:
    "This document has been classified under the `mosaic compilation'
    concept and shall not be used as the source for a derivative
    classification decision."